Abstracts.

This document contains abstracts from various articles covering a wide range of research topics. The articles explore subjects such as breastfeeding practices in Veracruz, Mexico, health differences among Cuban refugees/migrants, the association between adverse childhood experiences and cortisol levels in Black South African adults, and the relationship between age at menarche and adiposity in women at mid-life. Other topics include transgender health disparities, testosterone and mortality in men, biological age estimation in Yakut women of Siberia, birth weight across Daasanach communities in Northern Kenya, cortisol changes during pubertal development in Indigenous Qom girls in Argentina, physical activity patterns and barriers during pregnancy, and associations between behavioral and demographic factors and health outcomes in low-resource, majority-Black communities in the US. The document also includes studies on shoe-wearing practices and fecal calprotectin and immunoglobulin E levels, maternal stress, gut microbiota, and infant health outcomes, fat stigma, emotional support, and allostatic load, predictors of food insecurity during the COVID-19 pandemic, essential fatty acid intake and exam scores, emotional support in chronic pain disparities, depression, cognitive impairment, and social status among Amerindians, human pathogens in ticks, congenital heart disease and infant mortality, multimorbidities associated with poor kidney function in the Amazonian Shuar population, hair hormone assessment, body composition and pro-inflammatory markers, breastfeeding practices in northern Mexico, cannabis use and human milk composition, brain size and body size among Native South American [Extracted from the article]