نتایج جستجو برای: african

تعداد نتایج: 100634  

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2012
Christopher L Campbell Pier F Palamara Maya Dubrovsky Laura R Botigué Marc Fellous Gil Atzmon Carole Oddoux Alexander Pearlman Li Hao Brenna M Henn Edward Burns Carlos D Bustamante David Comas Eitan Friedman Itsik Pe'er Harry Ostrer

North African Jews constitute the second largest Jewish Diaspora group. However, their relatedness to each other; to European, Middle Eastern, and other Jewish Diaspora groups; and to their former North African non-Jewish neighbors has not been well defined. Here, genome-wide analysis of five North African Jewish groups (Moroccan, Algerian, Tunisian, Djerban, and Libyan) and comparison with oth...

Journal: :Journal of personality and social psychology 1995
C M Steele J Aronson

Stereotype threat is being at risk of confirming, as self-characteristic, a negative stereotype about one's group. Studies 1 and 2 varied the stereotype vulnerability of Black participants taking a difficult verbal test by varying whether or not their performance was ostensibly diagnostic of ability, and thus, whether or not they were at risk of fulfilling the racial stereotype about their inte...

Journal: :Behavioral sleep medicine 2014
S Justin Thomas Kenneth L Lichstein Daniel J Taylor Brant W Riedel Andrew J Bush

This study investigated the epidemiology of bedtime (BT), arising time (AT), and time in bed (TIB) as a function of age, gender, and ethnicity. Sleep diary data were analyzed for 746 randomly selected community participants. This sample was comprised of 364 men (48.8%) and 382 women (51.2%), 532 Caucasians (71.3%) and 214 African Americans (28.7%), and participant ages ranged from 20 to 98 year...

Journal: :American journal of public health 2010
Naa Oyo A Kwate Ilan H Meyer

Recent theoretical and empirical studies of the social determinants of health inequities have shown that economic deprivation, multiple levels of racism, and neighborhood context limit African American health chances and that African Americans' poor health status is predicated on unequal opportunity to achieve the American Dream. President Obama's election has been touted as a demonstration of ...

Journal: :Philosophical transactions of the Royal Society of London. Series B, Biological sciences 2013
S Peter Henzi Nicola Forshaw Ria Boner Louise Barrett David Lusseau

Primate social life and behaviour is contingent on a number of levels: phylogenetic, functional and proximate. Although this contingency is recognized by socioecological theory, variability in behaviour is still commonly viewed as 'noise' around a central tendency, rather than as a source of information. An alternative view is that selection has acted on social reaction norms that encompass dem...

Journal: :South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde 1978
A R Walker P E Cleaton-Jones B D Richardson

A. R. P. WALKER, MRC Human Biochemistry Research Unit, School of Pathology, South African Institute for Medical Research and University of the Witwatersrand, Johannesburg, P. E. CLEATON-JONES, Dented Research Unit, UDiversity of the Witwatersrand and South African Medi­ cal Research Council, Johannesburg, B. D. RICHARDSON, National Research Institute for Nutritional Diseases of the South Africa...

2017
Brittney J. van de Water Janet Prvu Bettger Susan Silva Janice Humphreys Coleen K. Cunningham Jason E. Farley

This study examined time to treatment initiation by age among a prospective cohort with drug-resistant tuberculosis (DR-TB). Participants aged 13 years or older nested within a cluster-randomized trial in 2 South African provinces were evaluated. Outcomes were treatment initiation within 5 days of DR-TB diagnosis (National Tuberculosis Program guidelines) and days from diagnosis to treatment. A...

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