Study Reveals Critical Sex Differences in Brain Chemistry New research reveals fundamental biological differences in how men and women respond to alcohol, with female sex hormones playing a direct role in drinking behavior. The groundbreaking study shows that estrogen...

Altered Brain Development May Set Path to Addiction Substance use before age 15 fundamentally changes brain structure, with research on 9,804 children showing specific patterns of damage. Early users display larger overall brain volume but dangerously thinner...