Results 11 to 20 of about 676,703 (296)

The Genetic Structure and History of Africans and African Americans. [PDF]

open access: yesScience, 2009
Africa is the source of all modern humans, but characterization of genetic variation and of relationships among populations across the continent has been enigmatic. We studied 121 African populations, four African American populations, and 60 non-African
A. A. Awomoyi   +61 more
core   +3 more sources

Beta-amyloid and Cortical Thickness Reveal Racial Disparities in Preclinical Alzheimer's Disease

open access: yesNeuroImage: Clinical, 2017
African Americans are two to four times more likely to develop dementia as Non-Hispanic Whites. This increased risk among African Americans represents a critical health disparity that affects nearly 43 million Americans.
Ian M. McDonough
doaj   +1 more source

Who Can I Turn To? Emotional Support Availability in African American Social Networks

open access: yesSocial Sciences, 2017
African Americans disproportionately experience psychological distress, such as feelings of sadness, hopelessness, and worthlessness and are disproportionately exposed to risk factors associated with mental illness, such as racial discrimination ...
Sula Hood   +4 more
doaj   +1 more source

African Americans and Network Disadvantage: Enhancing Social Capital through Participation on Social Networking Sites

open access: yesFuture Internet, 2013
This study examines the participation of African Americans on social networking sites (SNS), and evaluates the degree to which African Americans engage in activities in the online environment to mitigate social capital deficits. Prior literature suggests
Danielle Taana Smith
doaj   +1 more source

Advancing the sleep/wake schedule impacts the sleep of African-Americans more than European-Americans. [PDF]

open access: yesPLoS ONE, 2017
There are differences in sleep duration between Blacks/African-Americans and Whites/European-Americans. Recently, we found differences between these ancestry groups in the circadian system, such as circadian period and the magnitude of phase shifts. Here
Gemma M Paech   +3 more
doaj   +1 more source

Association of Vitamin D3 Level with Breast Cancer Risk and Prognosis in African-American and Hispanic Women. [PDF]

open access: yes, 2017
Background: This study investigated the association of vitamin D3 levels with breast cancer risk and progression in African-Americans and Hispanics. Methods: A total of 237 African-American (Cases = 119, Control = 118) and 423 Hispanic women (Cases = 124,
Chlebowski, Rowan   +4 more
core   +2 more sources

The Socioeconomic Attainments of Second-Generation Nigerian and Other Black Americans: Evidence from the Current Population Survey, 2009 to 2019

open access: yesSocius, 2021
Second-generation black Americans have been inadequately studied in prior quantitative research. The authors seek to ameliorate this research gap by using the Current Population Survey to investigate education and wages among second-generation black ...
Arthur Sakamoto   +3 more
doaj   +1 more source

Exploring the Effects of Mitonuclear Interactions on Mitochondrial DNA Gene Expression in Humans

open access: yesFrontiers in Genetics, 2022
Most mitochondrial protein complexes include both nuclear and mitochondrial gene products, which coevolved to work together. This coevolution can be disrupted due to disparity in genetic ancestry between the nuclear and mitochondrial genomes in recently ...
Edmundo Torres-Gonzalez   +1 more
doaj   +1 more source

Genetic Associations of PPARGC1A with Type 2 Diabetes: Differences among Populations with African Origins

open access: yesJournal of Diabetes Research, 2015
The aim of this study was to assess the differences in correlation of PPARGC1A polymorphisms with type 2 diabetes (T2D) risk in adults of African origins: African Americans and Haitian Americans.
Amanpreet K. Cheema   +5 more
doaj   +1 more source

Racial Disparities in Hepatitis C Treatment Eligibility

open access: yesAnnals of Hepatology, 2017
Background: Hepatitis C (HCV) is more prevalent in African Americans than in any other racial group in the United States. However, African Americans are more likely to be deemed ineligible for HCV treatment than non-African Americans.
Omar T. Sims   +3 more
doaj   +1 more source

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