Tanner stages are a tool used by healthcare providers to evaluate development in puberty. They detail five specific stages of physical change in puberty, including genital, breast, and pubic hair ...

Higher levels of key steroid hormones—combined with elevated stress and body mass index (BMI)—are associated with earlier ...

Key Takeaways High stress and body weight can trigger hormonal changes that speed up puberty by seven monthsAndrogens and progesterone play a larger role in starting puberty than previously understood ...