New research suggests oxytocin, the so-called “love hormone,” may help protect women from mood disturbances caused by sleep disruption and hormonal changes during postpartum and menopause.

A new study reveals that metabolic health, particularly modest increases in blood sugar, plays a bigger role than age or testosterone in declining sexual and reproductive function in men.

Researchers have developed a long-acting weekly injection that delivers steady doses of levodopa and carbidopa, potentially transforming care for Parkinson’s disease.