نتایج جستجو برای: physiological age

تعداد نتایج: 984921  

2014
Ezihe Loretta Ahanonu

OBJECTIVE This study sought to assess the attitude of Healthcare Providers towards providing contraceptives for unmarried adolescents in four Local Government Areas in Ibadan, Nigeria. MATERIALS AND METHODS A cross-sectional descriptive study was conducted among 490 Healthcare Providers in 24 randomly selected healthcare facilities using self-administered, pre-tested questionnaires. RESULTS...

Journal: :Cell systems 2015
Alessandro Ori Brandon H Toyama Michael S Harris Thomas Bock Murat Iskar Peer Bork Nicholas T Ingolia Martin W Hetzer Martin Beck

Aging is associated with the decline of protein, cell, and organ function. Here, we use an integrated approach to characterize gene expression, bulk translation, and cell biology in the brains and livers of young and old rats. We identify 468 differences in protein abundance between young and old animals. The majority are a consequence of altered translation output, that is, the combined effect...

Journal: :Journal of pediatric psychology 2016
Hollis C Karoly Tiffany Callahan Sarah J Schmiege Sarah W Feldstein Ewing

OBJECTIVE In the United States, Hispanic adolescents are at elevated risk for negative outcomes related to risky sexual behavior. To evaluate potential protective factors for this group, we examined the fit of the Hispanic Paradox for sexual behavior among high-risk youth and the moderating role of parent monitoring. METHOD We enrolled 323 justice-involved Hispanic youth (73% male; mean age 1...

2016
Roxanne Beauclair Stéphane Helleringer Niel Hens Wim Delva

Patterns of age differences between sexual partners - "age-mixing" - may partially explain the magnitude of HIV epidemics in Sub-Saharan Africa. However, evidence of age-disparity as a risk factor for HIV remains mixed. We used data from a socio-centric study of sexual behaviour in Malawi to quantify the age-mixing pattern and to find associations between relationship characteristics and age di...

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