A recent study has identified how specific puberty hormones relate to the physical structure and functional wiring of the adolescent female brain. The findings suggest that hormones like estradiol and ...

Higher levels of key steroid hormones-combined with elevated stress and body mass index (BMI)-are associated with earlier onset of puberty in girls, according to a new study at Columbia University ...

Ten-year-olds developing adult bodies, eight-year-olds needing training bras, and seven-year-olds starting their periods – these scenarios that would have been shocking medical anomalies just a ...