Phoenix, Goy, Gerall, and Young first proposed in 1959 the organizational–activational
hypothesis of hormone-driven sex differences in brain and behavior. The original hypothesis …

Aims Experiences linked to poor family functioning and pubertal timing have each been
associated with increased risk of substance misuse in adolescence. However, it remains …

Guided by principles of life history strategy development, this study tested the hypothesis
that sexual precocity and violence are influenced by sensitivities to local environmental …

Despite substantial heritability in pubertal development, much variation remains to be
explained, leaving room for the influence of environmental factors to adjust its phenotypic …

Although research indicates that empathy inhibits youth aggression, little is known about the
prospective associations between different components of empathy and aggression, as well …

Whereas the adolescent brain is a major target for gonadal hormones, our understanding of
hormonal influences on adolescent neural and behavioral development remains limited …

Girls' early pubertal timing has been linked in many studies to behavioral problems such as
delinquency and substance use. The theoretical explanations for these links have often …

Girls are cutting themselves with razors. Girls are convinced they're fat, and starve
themselves to prove it. Other girls are so anxious about grades they can't sleep at night-at …

Life history trajectories have been shown to be sensitive to local environmental conditions.
Using English census data (2001), Copping, Campbell, and Muncer (2013) demonstrated …

Although considered to be a normative part of adolescence, risk-taking behaviors are
nonetheless concerning because these actions often endanger adolescents' current and …