Researchers discovered that gut bacteria produce hormones critical for pregnancy and mental health, using hydrogen gas (from flatulence) to convert steroids. This finding could lead to new treatments for postpartum depression and other hormone-related conditions.

npj Women's Health - Menopausal shift on women’s health and microbial niches

Testosterone may play a bigger role in the emotional development of girls than previously thought, according to new UGA research.

It's not inevitable.