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Journal articles on the topic 'Pre-Hispanic times'

Author: Grafiati

Published: 7 June 2025

Last updated: 2 August 2025

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1

Gurewich, Deborah, Erin Beilstein-Wedel, Michael Shwartz, Heather Davila, and Amy K. Rosen. "Disparities in Wait Times for Care Among US Veterans by Race and Ethnicity." JAMA Network Open 6, no. 1 (2023): e2252061. http://dx.doi.org/10.1001/jamanetworkopen.2022.52061.

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ImportancePrior studies indicate that Black and Hispanic vs White veterans wait longer for care. However, these studies do not capture the COVID-19 pandemic, which caused care access disruptions, nor implementation of the US Department of Veterans Affairs (VA) Maintaining Internal Systems and Strengthening Integrated Outside Networks Act (MISSION), which is intended to improve care access by increasing veterans’ options to use community clinicians.ObjectiveTo determine whether wait times increased differentially for Black and Hispanic compared with White veterans from the pre–COVID-19 to COVID

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Santley, Robert S., Thomas P. Barrett, Michael D. Glascock, and Hector Neff. "PRE-HISPANIC OBSIDIAN PROCUREMENT IN THE TUXTLA MOUNTAINS, SOUTHERN VERACRUZ, MEXICO." Ancient Mesoamerica 12, no. 1 (2001): 49–63. http://dx.doi.org/10.1017/s0956536101121036.

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This paper discusses the results of recent instrumental neutron-activation analysis (INNA) work identifying the obsidian sources relied upon in the Tuxtla Mountains of southern Veracruz in pre-Hispanic times. Our research indicates that Guadalupe Victoria and, secondarily, Zaragoza obsidian were the main sources imported to the Tuxtlas during the Early and Middle Formative periods. In contrast, Zaragoza became the dominant source relied upon from Late Formative times onward. Data on obsidian color and raw-material quality make it possible to extend the INAA results to the entire obsidian assem

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Adán, Leonor, Simón Urbina, and Margarita Alvarado. "HUMAN SETTLEMENTS AROUND THE WETLANDS OF VALDIVIA CITY FROM PRE HISPANIC TO COLONIAL TIMES." Chungará 49, no. 3 (2017): 359–77. https://doi.org/10.4067/S0717-73562017005000020.

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This paper presents an archaeological and historical characterization of human settlements around the wetlands of the city of Valdivia. It especially focuses on pre-Hispanic and historic ceramic periods until the end of the Spanish Colonial period. The different strategies and relations developed in these water landscapes by indigenous and Hispanic populations are studied from archaeological, documentary, and cartographic sources of information, revealing an ambivalent valuation of wetlands by Spaniards. We propose a process of massive modification of the colonial urban and wetland areas begin

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Sánchez-García, Mario Alberto, Xim Bokhimi, Sergio Velázquez Martínez, and Antonio Esteban Jiménez-González. "Dye-Sensitized Solar Cells Prepared with Mexican Pre-Hispanic Dyes." Journal of Nanotechnology 2018 (June 19, 2018): 1–8. http://dx.doi.org/10.1155/2018/1236878.

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A dye-sensitized solar cell (DSSC) is a photovoltaic device capable of generating electrical power from the absorption of solar radiation. These cells use a SnO2 : F/TiO2/dye heterojunction as the active electrode (working electrode). Active electrodes containing TiO2 in the anatase crystalline phase and synthetic dyes are used to achieve high conversion efficiencies. Synthetic dyes, whether organic or organometallic compounds, have the disadvantage of being expensive. For this reason, many efforts are made worldwide to find natural dyes with lower production costs that can be used in the fabr

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Baglay, V. E. "Maya, but others. Features of the historical and ethnocultural development of the Huastecs of pre-colonial Mexico." Latinskaia Amerika, no. 5 (December 15, 2024): 89–106. http://dx.doi.org/10.31857/s0044748x24050071.

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The article analyzes the pre-Hispanic past of the Huastecs (the Maya group, is its early offshoot). For centuries, they developed in the Gulf of Mexico region in isolation from the classical and Yucatan Maya, whom Yu.V.Knorozov studied. The study of the pre-Hispanic past of the Huastecs is conducted on the basis of modern archaeological data. The article emphasizes that the peculiarity of the Huasteca culture was influenced by their lack of a single territory, as well as the development of the Olmec, Teotihuacan, Totonac, Toltec, Otomi, and Aztec cultures here at different historical times. It

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Puy-Alquiza, María Jesús, Velia Yolanda Ordaz-Zubia, Omar Cruces-Cervantes, et al. "Comparative study of pre-Hispanic and colonial adobes in Mexico. Preliminary inferences on the effects of the granulometric distribution and used recycled materials in the state conservation of earth architecture." Boletín de la Sociedad Geológica Mexicana 74, no. 3 (2022): A010422. http://dx.doi.org/10.18268/bsgm2022v74n3a010422.

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The characterization of the pre-Hispanic and colonial adobes used in the construction of buildings in Mexico was carried out to know the differences between their processes and manufactures. The eight samples obtained correspond to adobe blocks 0.45 m long x 0.35 m wide and 0.12 m thick, which were part of the interiors of houses, the structure of fences, and hacienda galleys. These samples were investigated using X-ray Diffraction, X-ray Fluorescence, and Scanning Electron Microscopy techniques to determine the morphometry of the material and its chemical and mineralogical composition. Likewi

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Berge, Jerica M., Kimberly P. Truesdale, Nancy E. Sherwood, et al. "Beyond the dinner table: who’s having breakfast, lunch and dinner family meals and which meals are associated with better diet quality and BMI in pre-school children?" Public Health Nutrition 20, no. 18 (2017): 3275–84. http://dx.doi.org/10.1017/s1368980017002348.

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AbstractObjectiveHaving frequent family dinners is associated with better diet quality in children; however, it is unknown whether the frequency of certain family meal types (i.e. dinner) is more strongly associated with better child weight and diet quality compared with other meal types (i.e. breakfast, lunch). Thus, the current study examined the frequency of eating breakfast, lunch or dinner family meals and associations with pre-school children’s overall diet quality (HEI-2010) and BMI percentile.DesignCross-sectional baseline data (2012–2014) from two randomized controlled childhood obesi

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Goldin, Liliana R., and Brenda Rosenbaum. "Culture and History: Subregional Variation Among the Maya." Comparative Studies in Society and History 35, no. 1 (1993): 110–32. http://dx.doi.org/10.1017/s0010417500018272.

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Mayas from Guatemala and Chiapas, Mexico, narrate strikingly similar stories that are part of their oral tradition. These similarities reflect the fact that Mayas from both areas share a common cultural tradition dating to pre-Hispanic times and a basic pattern of beliefs central to the Mesoamerican cultural complex. At the same time, the stories contain notable differences that can be explained historically and traced both to pre-Hispanic or post-Hispanic developments as they combined with ecological conditions. In this study, we compare the present expression of a series of Earth Lord accoun

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Reyes-Prado, H., and J. M. Pino Moreno. "Insects used as foodstuff by indigenous groups in Morelos, Mexico." Journal of Insects as Food and Feed 6, no. 5 (2020): 499–505. http://dx.doi.org/10.3920/jiff2020.0013.

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Anthropo-entomophagy has been practiced since pre-Hispanic times and today it is still preserved in certain places in Mexico. In addition, indigenous societies recognise the importance of insect consumption as an alternative source to conventional animal protein. In the state of Morelos, for example, insects are a significant part of the traditional diet of the inhabitants of rural areas. Nevertheless, no systematic research has been done to recognise the insect species used nor the aspects related to anthropo-entomophagy. This is the reason why this ethno-entomological research about edible i

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Hernandez-Castro, Ixel, Claudia M. Toledo-Corral, Thomas Chavez, et al. "Perceived vulnerability to immigration policies among postpartum Hispanic/Latina women in the MADRES pregnancy cohort before and during the COVID-19 pandemic." Women's Health 18 (January 2022): 174550572211251. http://dx.doi.org/10.1177/17455057221125103.

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Introduction and Objectives: Research suggests that perceived immigration policy vulnerability has important health implications. Coupled with the mental and physical stressors accompanying the postpartum period and a growing awareness of the discrimination and structural racism experienced by marginalized communities globally, the coronavirus disease 2019 period may have exacerbated stress among vulnerable populations, specifically postpartum Hispanic/Latina women. This study evaluated perceived immigration policy vulnerability (i.e. discrimination, social isolation, and family threats) in ea

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Bocinsky, R. Kyle, Johnathan Rush, Keith W. Kintigh, and Timothy A. Kohler. "Exploration and exploitation in the macrohistory of the pre-Hispanic Pueblo Southwest." Science Advances 2, no. 4 (2016): e1501532. http://dx.doi.org/10.1126/sciadv.1501532.

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Cycles of demographic and organizational change are well documented in Neolithic societies, but the social and ecological processes underlying them are debated. Such periodicities are implicit in the “Pecos classification,” a chronology for the pre-Hispanic U.S. Southwest introduced in Science in 1927 which is still widely used. To understand these periodicities, we analyzed 29,311 archaeological tree-ring dates from A.D. 500 to 1400 in the context of a novel high spatial resolution, annual reconstruction of the maize dry-farming niche for this same period. We argue that each of the Pecos peri

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Payàs, Gertrudis. "Translation in Historiography: The Garibay/León-Portilla Complex and the Making of a Pre-Hispanic Past*." Meta 49, no. 3 (2004): 544–61. http://dx.doi.org/10.7202/009378ar.

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AbstractHistorians and anthropologists sometimes need to translate or to use translations in order to have access to sources written in other languages. Mexican historiography is one such case. Indeed, a good part of what we know about pre-Hispanic times has been revealed through translations. How the two most prominent Mexican Mesoamericanists have approached translation will be the focus of this work.

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Xiuhtecutli, Nezahualcoyotl. "4 The Role of Migrations in Creating Identities among Mesoamerica Peoples from Pre-Hispanic to Modern Times." Archeological Papers of the American Anthropological Association 25, no. 1 (2015): 38–49. http://dx.doi.org/10.1111/apaa.12045.

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Mendoza, Javier, Dora Valencia, Girardin Jean-Louis, M. Denisse Armenta, William D. S. Killgore, and Michael Grandner. "0248 Disparities in Bed and Wake Times in the US Population." SLEEP 46, Supplement_1 (2023): A110—A111. http://dx.doi.org/10.1093/sleep/zsad077.0248.

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Abstract Introduction Although quality sleep is crucial for good health, well-being, and cognitive function, racial and ethnic minority populations are at an increased risk of having shorter sleep duration and poorer sleep quality in comparison to other groups. This study, which is nationally representative, intends to show differences in population-level sleep time. Population-level differences in timing have significant public health ramifications because of the important contribution that circadian rhythms play to health. Methods Data were obtained from adults who participated in the Nation

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Perez Castellanos, Nora, and Lauro Bucio Galindo. "Influence of Crystalline and Amorphous Phases on pre-Hispanic Adobes Properties." Acta Crystallographica Section A Foundations and Advances 70, a1 (2014): C1312. http://dx.doi.org/10.1107/s2053273314086872.

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Adobe earth bricks are part of the past and present in Mexican culture, they have shown to have the right mechanical strength and time resistance that is adequate for a good constructive system. Adobe bricks are built from natural soil, which is an abundant and therefore potentially sustainable material. The archaeological site of Cholula, Puebla, Mexico is one of the most important pre-Hispanic cities during 300-900 A.D. The pyramid at the site has the largest volume and basing in the world and plays a very important role in the community since pre-Hispanic times up until now when it is a sym

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Zrałka, Jarosław, Monika Banach, Víctor Castillo, et al. "Recent Investigations on the Unique Maya Wall Paintings from Chajul (Guatemala)." Estudios de Cultura Maya 65 (June 10, 2025): 119–53. https://doi.org/10.19130/iifl.ecm.2025.1/0q27r1v054.

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This article presents the results of interdisciplinary research encompassing conservation, archaeological excavations, ethnographic, ethnomusicological and historical studies on the Colonial murals documented in the Ixil Maya residences of Chajul (Guatemala). The Chajul murals are unique for several reasons. First, they were documented in what are now private family homes, whereas most examples of Colonial art in Latin America are found in churches and convents. Moreover, the later paintings focus on Christian religious themes, while the murals from Chajul are associated with socio-religious a

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Ionescu, Lavinel G., and Luis Alcides B. De Boni. "GLIMPSES OF THE HISTORY OF CHEMISTRY IN MEXICO." SOUTHERN BRAZILIAN JOURNAL OF CHEMISTRY 14, no. 14 (2006): 39–65. http://dx.doi.org/10.48141/sbjchem.v14.n14.2006.40_2006.pdf.

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The present article describes some aspects of the history of chemistry in Mexico. Some developments of interest of the Pre-Hispanic or Pre-Columbian Period are treated briefly. For the Colonial Period, the importance of the Schoo/ of Mines of Mexico City, the discovery of vanadium, and other contributions of Andres Manuel Del Rio are discussed in detail. For more recent times, the work of Xorge Alejandro Dominguez in the area of natural products and the study of the ozone layer by Mario Jose Molina, Nobel Prize in Chemistry, are presented.

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Sneider, Rojas Mora, Cejudo Rubén, Marín Uribe Mónica, et al. "Estudio magnético y geoquímico de la cerámica prehispánica de la depresión momposina: análisis arqueométricos en el norte de Sudamérica." Arqueologia Iberoamericana 46 (July 15, 2020): 11–30. https://doi.org/10.5281/zenodo.3944472.

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En este estudio se reportan los resultados más recientes de la investigación arqueológica llevada a cabo en el norte de Sudamérica, particularmente en la depresión momposina —región colombiana ampliamente conocida por su extensa modificación del paisaje en tiempos prehispánicos—, y cuyo objetivo fue estudiar la intensidad del campo geomagnético antiguo por medio del análisis de fragmentos cerámicos del sitio San Pedro. Se investigaron muestras de cerámica para caracterizar su mineralogía magn

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Williams, Eduardo. "SALT PRODUCTION IN THE COASTAL AREA OF MICHOACAN, MEXICO: An ethnoarchaeological study." Ancient Mesoamerica 13, no. 2 (2002): 237–53. http://dx.doi.org/10.1017/s0956536102132020.

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This study of saltmaking in coastal Michoacan underscores the value of ethnoarchaeology as a tool for assessing ancient saltmaking activities. Common salt (sodium chloride) was a strategic resource of great importance for Mesoamerica during pre-Hispanic and Colonial times. This study deals with salt production in La Placita and neighboring areas of coastal Michoacan and Colima, in western Mexico. The primary goals are to document traditional saltmaking techniques—in particular, the material culture, organization of work, ecological setting, and levels of production observed in the study area,

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Prządka-Giersz, Patrycja, and Miłosz Giersz. "Sociopolitical transformations during the late pre-Hispanic times as revealed by the archaeological record from the Culebras Valley, north coast of Peru." Estudios Latinoamericanos 34 (December 31, 2014): 125–49. http://dx.doi.org/10.36447/estudios2014.v33-34.art5.

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Since 2002 the Culebras Valley has been the focus of an extensive archaeological surface survey and limited excavations in selected sites carried out by Polish and Peruvian scholars. Over one hundred previously unknown archaeological sites have been recorded so far, and tentative interpretations of their chronology, functions and settlement patterns have been suggested. In this article, we report results of the nine field seasons and discuss their implications. We employ fieldwork data from the archaeological sites of the Culebras Valley to reconstruct settlement patterns, subsistence and craf

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Sanchez-Diaz, Carola T., Nur Zeinomar, Hari S. Iyer, et al. "Abstract B129: The association of Covid-19 pandemic restrictions with patient-reported outcomes and lifestyle behaviors among breast cancer survivors: Evidence from a cohort of Black and Hispanic breast cancer survivors in New Jersey." Cancer Epidemiology, Biomarkers & Prevention 32, no. 12_Supplement (2023): B129. http://dx.doi.org/10.1158/1538-7755.disp23-b129.

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Abstract Purpose: The onset of COVID-19 pandemic restrictions in the US since March 2020 has worsened the disproportionate burden of physical and mental health challenges faced by vulnerable Black and Hispanic breast cancer (BrCa) patients. BrCa survivors experienced delays in their cancer treatments and limited access to supportive care, which may lead to further physical, and psychosocial challenges during an already difficult time. This study aimed to evaluate the association of the COVID-19 pandemic restrictions with patient-reported outcomes (PROs) (i.e. health-related quality of life (HR

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Springer, Mellanie V., Daniel L. Labovitz, and Ethan C. Hochheiser. "Race-Ethnic Disparities in Hospital Arrival Time after Ischemic Stroke." Ethnicity & Disease 27, no. 2 (2017): 125. http://dx.doi.org/10.18865/ed.27.2.125.

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<p class="Pa7"> <strong>Objective: </strong>Conflicting reports exist about hospital arrival time after stroke onset in Hispanics compared with African Americans and Caucasians. Our current study investigates race-ethnic disparities in hospital arrival times after stroke onset.</p><p class="Pa7"><strong>Methods: </strong>We performed a retrospective analysis of hospital arrival times in Hispanic, African American, and Caucasian acute ischemic stroke patients (N=1790) presenting to a tertiary-care hospital in the Bronx, New York. A multivariable logis

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Alonso, Juan Luis García. "The South-West of Ancient Hispania in its Linguistic and Epigraphic Context." Journal of Celtic Linguistics 24, no. 1 (2023): 35–84. http://dx.doi.org/10.16922/jcl.24.3.

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This paper provides a linguistic and epigraphic context to the so-called 'Tartessian' or 'Southwestern' inscriptions from ancient Hispania. Starting from the general linguistic landscape in the Iberian Peninsula in pre-Roman and Roman times, with an overview of Lusitanian, in the vicinity of these texts, and of the relatively well-known Celtiberian and pre-Indo-European languages (Iberian and Vasconic-Aquitanian), a description of the Palaeo-Hispanic variety of the writing system used in these texts is offered. In the final section, analysing in detail some of the arguments to defend the Celti

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Man, Shumei, Nicole Solomon, Brian Mac Grory, et al. "Trends in Stroke Thrombolysis Care Metrics and Outcomes by Race and Ethnicity, 2003-2021." JAMA Network Open 7, no. 2 (2024): e2352927. http://dx.doi.org/10.1001/jamanetworkopen.2023.52927.

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ImportanceUnderstanding is needed of racial and ethnic–specific trends in care quality and outcomes associated with the US nationwide quality initiative Target: Stroke (TS) in targeting thrombolysis treatment for acute ischemic stroke.ObjectiveTo examine whether the TS quality initiative was associated with improvement in thrombolysis metrics and outcomes across racial and ethnic groups.Design, Setting, and ParticipantsThis retrospective cohort study included patients who presented within 4.5 hours of ischemic stroke onset at hospitals participating in the Get With The Guidelines–Stroke initia

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Shackelford, Jenna, Michele Woolbert, Ninet Sinaii, Brooke Decker, Tara Palmore, and Robin T. Odom. "Prioritizing SARS-CoV-2 testing in a highly immunosuppressed patient population." Antimicrobial Stewardship & Healthcare Epidemiology 2, S1 (2022): s11—s12. http://dx.doi.org/10.1017/ash.2022.74.

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Background: The NIH Clinical Center implemented multiple testing protocols to facilitate early detection and isolation of SARS-CoV-2 infected patients and rooming-in family members (RIFMs). Beginning in February 2020, all symptomatic patients were tested; in March 2020, all patients were tested prior to aerosol-generating procedures (AGPs); and in May 2020, all patients and RIFMs were tested on admission. We sought to determine the value of SARS-CoV-2 testing practices in our hospital. Methods: Respiratory specimens collected March 2020 through June 2021 tested for SARS-CoV-2 by RT-PCR were re

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Waldron, Danielle, Emily Hartford, Jacquelin Sauer, and Jeffrey Stokes. "SERVED BY SYSTEMS: AGING WITH INTELLECTUAL AND DEVELOPMENTAL DISABILITIES AND INEQUITIES IN HEALTHCARE." Innovation in Aging 6, Supplement_1 (2022): 853. http://dx.doi.org/10.1093/geroni/igac059.3055.

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Abstract Adults and older adults with intellectual and developmental disabilities (I/DD) often experience medical complexity, accelerated aging, and shortened life expectancy. This project explores health service utilization (HSU) of adults with I/DD receiving state services in the U.S. over the adult lifespan before and after the implementation of the Affordable Care Act (ACA). Three waves of cross-sectional data (2008–2019) from the National Core Indicators-In Person Survey were analyzed using multilevel mixed effects logistic regression (n=46,284). Older adults with I/DD were more likely to

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Leceta, Fernando, Christoph Binder, Christian Mader, et al. "The impact of agriculture on tropical mountain soils in the western Peruvian Andes: a pedo-geoarchaeological study of terrace agricultural systems in the Laramate region (14.5° S)." SOIL 10, no. 2 (2024): 727–61. http://dx.doi.org/10.5194/soil-10-727-2024.

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Abstract. This integrated pedo-geoarchaeological study focuses on three abandoned pre-Hispanic terrace agricultural systems near Laramate in the southern Andes of Peru (14.5° S), aiming to unravel the pedological and land-use history of the region, which served as a significant agricultural hub during pre-Hispanic times. The key objectives of the investigation involved contextualizing the former agricultural management system within its geomorphological and palaeoecological framework and assessing the impact of agricultural practices on soil development and quality by comparing non-irrigated a

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Siemens, Alfred H., José Angel Soler Graham, Richard Hebda, and Maija Heimo. "“DAMS” ON THE CANDELARIA." Ancient Mesoamerica 13, no. 1 (2002): 115–23. http://dx.doi.org/10.1017/s0956536102131075.

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Much has been learned from the basin of the Candelaria River, Campeche, Mexico: the fabric of a densely settled pre-Historic landscape, including impressive ceremonial centers; the logistics of an ancient entrepôt; the process of exploitation of dyewood and chicle in historic times; as well as the doubtful results of the mid-twentieth-century colonization of an “empty” forested basin. It also yielded the first evidence of more or less intensive pre-Hispanic wetland agriculture in the Maya region and the remains of a profuse network of fluvial transportation from prehistoric times to the presen

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Ng, Ashley H., Deborah A. Greenwood, Eli Iacob, et al. "Examining a Continuous Glucose Monitoring Plus Online Peer Support Community Intervention to Support Hispanic Adults With Type 2 Diabetes: Protocol for a Mixed Methods Feasibility Study." JMIR Research Protocols 11, no. 2 (2022): e31595. http://dx.doi.org/10.2196/31595.

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Background Type 2 diabetes is twice as likely to affect Hispanic people than their White counterparts. Technology and social support may be an important part of behavior change. In this study, we address gaps in diabetes care for Hispanic Spanish-speaking people with diabetes through an online peer support community (OPSC) pilot intervention using Hispanic Spanish-speaking peer facilitators with diabetes to enhance the use of continuous glucose monitoring (CGM) for diabetes management. Objective This study aims to address gaps in diabetes care for Hispanic Spanish-speaking people with diabetes

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Pérez-Farrera, Miguel A., and Andrew P. Vovides. "El uso ceremonial de la cícada amenazada "espadaña" (Dioon merolae, Zamiaceae) por una comunidad de la depresión central de Chiapas, México." Botanical Sciences, no. 78 (June 3, 2017): 107. http://dx.doi.org/10.17129/botsci.1724.

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Dioon merolae De Luca, Sabato et Vázq.Torres, a cycad species from Chiapas known locally as espadaña, plays a very important role during the Santa Cruz festival of May 3rd amongst the community of Suchiapa in the Central Depression of Chiapas. Its leaves are used to adorn altars during this religious Catholic festival every May. It appears to be a pre-Hispanic native Chiapanec tradition that has undergone syncretism into Catholic practice during colonial times. The cycads do not appear to be harmed by the annual pruning of leaves but the current threat to the plant populations and this ageless

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Calderón-Fernández, Andrés, Rafael Dobado-González, and Alfredo García-Hiernaux. "NUMERACY IN CENTRAL NEW SPAIN DURING THE ENLIGHTENMENT." Revista de Historia Económica / Journal of Iberian and Latin American Economic History 38, no. 2 (2020): 369–403. http://dx.doi.org/10.1017/s0212610919000387.

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ABSTRACTThis article presents new evidence and analysis on age heaping—a proxy for numeracy and therefore for human capital—in New Spain during the Enlightenment. Human capital plays an important role in economic growth and welfare. It is also one of the dimensions of inequality. Our results are at odds with many of the usual assumptions on which most Mexicanist historiography is based. Age heaping levels of males and females and ethnic groups across locations in Central New Spain are estimated and compared through ad hoc indicators with other countries. We infer that a more empirical emphasis

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Dufour, Elise, Nicolas Goepfert, Belkys Gutiérrez Léon, Claude Chauchat, Régulo Franco Jordán, and Segundo Vásquez Sánchez. "Pastoralism in Northern Peru during Pre-Hispanic Times: Insights from the Mochica Period (100–800 AD) Based on Stable Isotopic Analysis of Domestic Camelids." PLoS ONE 9, no. 1 (2014): e87559. http://dx.doi.org/10.1371/journal.pone.0087559.

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Balcorta Yépez, Francisco Antonio, Montserrat Alavez Ortúzar, Zulema Berenice Flores Montes de Oca, et al. "RADIOCARBON DATING OF ARCHAEOLOGICAL MATERIAL RECOVERED FROM THE BASIN OF MEXICO." Radiocarbon 63, no. 4 (2021): 1123–31. http://dx.doi.org/10.1017/rdc.2021.11.

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ABSTRACTThe Mexico City Basin has had exceptional plant and animal diversity since ancient times due to its varied orography and benign climate. This environment attracted diverse human groups, from hunter-gatherers to one of the most influential pre-Hispanic cultures of Mesoamerica: the Mexica, also known as the Aztec. The subsoil of Mexico City hides a rich and varied cultural heritage. The Archaeological Rescue Department works to preserve cultural heritage, review archaeological studies, and expand archaeological information with new findings. We report on archaeological rescue works carri

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Lindsay, Anne R., Angela Starrett, Ali Brian, Teresa A. Byington, Jennifer Lucas, and Madeleine Sigman-Grant. "Preschoolers Build Fundamental Motor Skills Critical to an Active Lifestyle: The All 4 Kids© Intervention Study." International Journal of Environmental Research and Public Health 17, no. 9 (2020): 3098. http://dx.doi.org/10.3390/ijerph17093098.

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This pragmatic, real world study examined the effects of the All 4 Kids© intervention on preschoolers’ mastery of movement skills and determined whether the instruction had greater impact than natural development. Methods included a quasi-experimental intervention-comparison subsample of 379 children (COMPARISON) and a pretest-posttest design with convenience scale-up sampling of 2817 preschoolers (SCALE-UP). Children receiving education and dance instruction 3 times/week for 8 weeks were assessed using the Preschool Movement Assessment to evaluate skills pre and post intervention. Using repea

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Marie, Annereau-Fulbert, Acosta Ochoa Guillermo, Alfredo Flores José, Víctor Cabadas Báez Héctor, and Jaimes Viera Carmen. "Evaluando la petrofábrica y composición mediante pXRF de algunas cerámicas de la Depresión Central y los Altos de Chiapas, México." Arqueologia Iberoamericana 55 (April 30, 2025): 167–79. https://doi.org/10.5281/zenodo.15292663.

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Este estudio preliminar se basa en el análisis de pastas cerámicas recuperadas de dos áreas adyacentes: Totolapa, en la Depresión Central, y Cerro Ecatepec, en los Altos de Chiapas, México. Mediante dos análisis complementarios, usando fluorescencia de rayos X (pXRF) y petrografía de lámina delgada, se pretende evaluar si es posible determinar grupos composicionales, zonas de procedencia y posibles intercambios o interacciones desde el Clásico Tardío hasta el Posclásico Tardío (Proyecto PAPIIT/UNAM IN402623). B

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Michel, Alissa, Kelly Luo, Vicky Ro, et al. "Abstract PO1-08-10: Impact of Oncologist-Led Genetic Counseling and Testing on Prophylactic Mastectomy Rates Among Multi-Ethnic Women with Operable Breast Cancer." Cancer Research 84, no. 9_Supplement (2024): PO1–08–10—PO1–08–10. http://dx.doi.org/10.1158/1538-7445.sabcs23-po1-08-10.

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Abstract Introduction: Approximately 5-10% of breast cancers are attributed to an inherited pathogenic variant (PV) in breast cancer predisposition genes, such as BRCA1 and BRCA2. Identifying women with hereditary breast cancer syndromes is critical to inform risk-appropriate screening and prevention strategies. For example, contralateral prophylactic mastectomy (CPM) has been shown to reduce the risk of new breast primaries without a demonstrated survival benefit. In a prior study, we found that women with pathogenic/likely pathogenic (P/LP) variants were over four times more likely to underg

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Garber, Sofia, Kathryn E. R. Kennedy, Lauren Hartstein, Dora Y. Valencia, William Killgore, and Michael A. Grandner. "0265 Disparities in Bed and Wake Times in the US Population Associated with Typical Work Hours." SLEEP 47, Supplement_1 (2024): A114—A115. http://dx.doi.org/10.1093/sleep/zsae067.0265.

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Abstract Introduction Racial and ethnic minority populations are at an increased risk of having shorter sleep duration and poorer sleep quality. This nationally-representative study examines whether groups differ on their typical sleep opportunity window, and whether this depends on typical work hours. Methods Data were obtained from adults who participated in the National Health And Nutrition Examination Survey (NHANES), overseen by the CDC, for the 2017-2018 and 2019-2020 (March, pre-pandemic) waves. These data were combined and weighted using NHANES sample weights. Habitual sleep timing was

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Brownsberger, William N. "Race Matters: Disproportionality of Incarceration for Drug Dealing in Massachusetts." Journal of Drug Issues 30, no. 2 (2000): 345–74. http://dx.doi.org/10.1177/002204260003000207.

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Many observers have recognized and decried the disproportionate impact on young minority males of harsh sentencing policies for drug dealing. Nationwide, African-Americans and Hispanics constituted 78.2 percent of incarcerated drug offenders in 1996. Their incarceration rates for drug offenses were respectively 17 and 8 times greater than non-Hispanic white rates. The disproportionalities for drug offenses were over twice as wide as the disproportionalities for other types of offenses.1 Scholars have noted the lack of hard data about neighborhood dynamics of arrest and incarceration for drug d

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Martinez-Gonzalez, Rosa Elena, Francisco Martin Huerta Martinez, Cecilia Neri Luna, and Lucia Barrientos Ramirez. "Ethnobotany of the old neighborhoods from Guadalajara, Jalisco, Mexico: the use of medicinal plants." Boletin Latinoamericano y del Caribe de Plantas Medicinales y Aromaticas 23, no. 1 (2024): 75–110. http://dx.doi.org/10.37360/blacpma.24.23.1.6.

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Medicinal plants have been used by various cultures since pre-Hispanic times in Mexico. In this study, the use of medicinal plants in the old neighborhoods of Guadalajara, Jalisco, Mexico is described. 137 species, 130 genera and 68 families were recorded. 34% of the species belong to Asteraceae, Lamiaceae, Malvaceae and Fabaceae families. The neighborhoods of Mexicaltzingo and San Juan de Dios are the most related to the knowledge and use of medicinal plants, while El Santuario is the least similar to the rest. The diversity of uses of medicinal plants according to the Shannon index is high (

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Carballo-Pérez, Jared, Norberto Marrero-Gordillo, Alberto Lacave-Hernández, and Matilde Arnay-de-la-Rosa. "Virtual skeletons and digital muscles: an experimental bioarchaeological approach to the pre-Hispanic production of millstones (Tenerife, Canary Islands)." Virtual Archaeology Review 14, no. 28 (2022): 19–37. http://dx.doi.org/10.4995/var.2023.17781.

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Highlights: The combination of biomechanical analysis and open-access Kinovea software enables the study of musculoskeletal and articular wear of experimentally reproduced tasks. The repeated use of the right arm during indirect percussion and abrasion in lithic production could increase the changes in bone robusticity of specific muscle attachments observed in the osteoarchaeological record. Motion ranges and postural angles analysis can generate more accurate representations of "virtual humans" in their archaeological context. Abstract: Understanding the physical impact of ancient labours ha

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Yeter, Deniz, Ellen C. Banks, and Michael Aschner. "Disparity in Risk Factor Severity for Early Childhood Blood Lead among Predominantly African-American Black Children: The 1999 to 2010 US NHANES." International Journal of Environmental Research and Public Health 17, no. 5 (2020): 1552. http://dx.doi.org/10.3390/ijerph17051552.

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There is no safe detectable level of lead (Pb) in the blood of young children. In the United States, predominantly African-American Black children are exposed to more Pb and present with the highest mean blood lead levels (BLLs). However, racial disparity has not been fully examined within risk factors for early childhood Pb exposure. Therefore, we conducted secondary analysis of blood Pb determinations for 2841 US children at ages 1–5 years with citizenship examined by the cross-sectional 1999 to 2010 National Health and Nutrition Examination Survey (NHANES). The primary measures were racial

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Baqueiro-Peña, Itzamná, and José A. Guerrero-Beltrán. "Uses of Justicia spicigera in medicine and as a source of pigments." Functional Foods in Health and Disease 4, no. 9 (2014): 401. http://dx.doi.org/10.31989/ffhd.v4i9.150.

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Background: Justicia spicigera (muicle) is a plant that has been used from the pre-Hispanic era to contemporary times in Mexico. It has been used in the traditional medicine for healing diseases such as dysentery, diabetes, leukemia, and anemia, just to mention some human disorders. It has been used for obtaining indigo dye after making extraction with water to be used for coloring of baskets, crafts, and clothes. The pigments, as a powder, have been studied for use for coloring foods. The dyeing characteristics of the J. spicigera pigments have antioxidant properties due to the flavonoids con

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Knowlton, Timothy W., and Edber Dzidz Yam. "Perinatal Rites in the Ritual of the Bacabs, a Colonial Maya Manuscript." Ethnohistory 66, no. 4 (2019): 721–44. http://dx.doi.org/10.1215/00141801-7683312.

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Abstract Pregnancy and childbirth were among indigenous Maya women’s most dangerous life experiences, with very high maternal and perinatal death rates from pre-Hispanic times through the first decades of the twentieth century. This article contributes to the knowledge of colonial Yucatec Maya women through the interpretation of documentary evidence of three indigenous rites meant to facilitate women’s perinatal health and successful childbirth. This evidence is contained in the eighteenth-century collection of healing chants known as the “ritual of the bacabs.” The chants include those for co

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Guzman Gallardo, Fernanda Laila. "Biocultural understanding of medicinal plants in Mexico." Mexican Journal of Medical Research ICSA 13, no. 25 (2025): 81–85. https://doi.org/10.29057/mjmr.v13i25.12390.

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Mexico has diverse climates, influenced by its latitude and complex topography, fosters a rich variety of wildlife and plants. Situated between North and South America, Mexico serves as a convergence point for species that were once isolated, contributing 70% of the world's flora and fauna. In Mexico, there's a long history of using plants for healing, dating back to pre-Hispanic times. The study of medicinal plants relies significantly on traditional healers, known as 'curanderos,' and individuals with knowledge of these plants. Pioneers like Roberto Escalante and Efraim Hernández X have shap

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Braksmajer, Amy, Theresa M. Fedor, Shaw-Ree Chen, et al. "Willingness to Take PrEP for HIV Prevention: The Combined Effects of Race/Ethnicity and Provider Trust." AIDS Education and Prevention 30, no. 1 (2018): 1–12. http://dx.doi.org/10.1521/aeap.2018.30.1.1.

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Blacks and Hispanics/Latinos are disproportionately burdened by HIV compared to non-Hispanic Whites, as evidenced by higher HIV incidence, prevalence, and deaths attributable to AIDS. Increasing the use of novel prevention techniques such as Truvada for pre-exposure prophylaxis (PrEP) could greatly help in reducing these disparities by lowering HIV incidence among these higher risk groups. Trust in providers, which may differ by race and ethnicity, may influence willingness to take PrEP. This study explores the moderating effect of race/ethnicity on trust in one's primary care provider (PCP) o

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Yamal, Jose-Miguel, Stephanie A. Parker, Asha P. Jacob, et al. "Successful conduct of an acute stroke clinical trial during COVID." PLOS ONE 16, no. 1 (2021): e0243603. http://dx.doi.org/10.1371/journal.pone.0243603.

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Most clinical research stopped during COVID due to possible impact on data quality and personnel safety. We aimed to assess the impact of COVID on acute stroke clinical trial conduct at sites that continued to enroll patients during the pandemic. BEST-MSU is an ongoing study of Mobile Stroke Units (MSU) vs standard management of tPA-eligible acute stroke patients in the pre-hospital setting. MSU personnel include a vascular neurologist via telemedicine, and a nurse, CT technologist, paramedics and emergency medicine technicians on-board. During COVID, consent, 90-day modified Rankin Scale (mRS

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González-Arqueros, M. Lourdes, Manuel E. Mendoza, and Lorenzo Vázquez-Selem. "Human impact on natural systems modeled through soil erosion in GeoWEPP: A comparison between pre-Hispanic periods and modern times in the Teotihuacan Valley (Central Mexico)." CATENA 149 (February 2017): 505–13. http://dx.doi.org/10.1016/j.catena.2016.07.028.

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Klein, Cecelia F. "THE DEVIL AND THE SKIRT." Ancient Mesoamerica 11, no. 1 (2000): 1–26. http://dx.doi.org/10.1017/s0956536100111010.

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Similarities in certain paintings and sculptures created by pre-Conquest and early Colonial Aztec artists strongly suggest that the original identities and nature of the tzitzimime changed over the decades following the Spanish conquest. These images support textual evidence that Spanish authors, typically mendicants and clergymen, quickly conflated the tzitzimime with the Devil and his servants, in the process demonizing and ultimately masculinizing them as well. Whereas the most important tzitzimime were apparently female in pre-Hispanic times, Colonial authors writing after the mid-sixteent

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Adeyemi, Oluwaseun, Corita Grudzen, Charles DiMaggio, et al. "Pre-injury frailty and clinical care trajectory of older adults with trauma injuries: A retrospective cohort analysis of A large level I US trauma center." PLOS ONE 20, no. 2 (2025): e0317305. https://doi.org/10.1371/journal.pone.0317305.

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Background Pre-injury frailty among older adults with trauma injuries is a predictor of increased morbidity and mortality. Objectives We sought to determine the relationship between frailty status and the care trajectories of older adult patients who underwent frailty screening in the emergency department (ED). Methods Using a retrospective cohort design, we pooled trauma data from a single institutional trauma database from August 2020 to June 2023. We limited the data to adults 65 years and older, who had trauma injuries and frailty screening at ED presentation (N = 2,862). The predictor var

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D. Álvarez-Ríos, Gonzalo, Carmen Julia Figueredo-Urbina, and Alejandro Casas. "Physical, Chemical, and Microbiological Characteristics of Pulque: Management of a Fermented Beverage in Michoacán, Mexico." Foods 9, no. 3 (2020): 361. http://dx.doi.org/10.3390/foods9030361.

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Pulque is a beverage that has been prepared in Mexico since pre-Hispanic times from the fermented sap of more than 30 species of wild and domesticated agaves. We conducted studies in two communities of the state of Michoacán, in central-western Mexico, where we documented its traditional preparation and analyzed the relationship between preparation conditions and the composition and dynamics of microbiological communities, as well as the physical and chemical characteristics of the beverage. In one of the communities, Santiago Undameo (SU), people boil the sap before inoculating it with pulque

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