The past decade has seen a global surge in adolescent use of e-cigarettes/vaping, cannabis, and prescription opioids not-taken-as-prescribed. Relying on detection through informal observation­ is ...

Among African adolescent girls and young women who took HIV pre-exposure prophylaxis (PrEP) daily, levels of the PrEP drug tenofovir were more than 30% lower in those who were pregnant than in those ...

An anthropologist reports the first observation of dominance relationships among adolescent male chimpanzees, which he attributes to the composition of their community. An Ohio University ...