Puberty is a complex transitional phase in which reproductive capacity is achieved. There is
a very wide variation in the age range of the onset of puberty, which follows a familial, ethnic …

For numerous issues of convenience and acceptability, hair hormone data have been
increasingly incorporated in the field of war trauma and forced displacement, allowing …

In early adolescence, levels of conscientiousness and agreeableness have been found to
temporarily decrease, with levels of neuroticism increasing, indicating a dip in personality …

The dual hormone hypothesis, which centers on the interaction between testosterone and
cortisol on social behavior, offers a compelling framework for examining the role of …

Testosterone plays a critical role in mediating fitness-related traits in many species. Although
it is highly responsive to environmental and social conditions, evidence from several species …

Studies of interaction effects are of great interest because they identify crucial interplay
between predictors in explaining outcomes. Previous work has considered several potential …

There is robust evidence that early poverty is associated with poor developmental outcomes,
including impaired emotion regulation and depression. However, the specific mechanisms …

The progression of lifelong trajectories of socioeconomic inequalities in health and mortality
begins in childhood. Dysregulation in cortisol, a stress hormone that is the primary output of …

Adolescents experience profound neuroendocrine changes, including hormone “coupling”
between cortisol, testosterone, and dehydroepiandrosterone. Emerging research has only …

Hair steroid analysis is increasingly recognized for its ability to capture cumulative hormone
secretion, thought to reflect an individual's response to long-term environmental conditions …