The discovery of a gut-to-brain regulation pathway in flies calls for additional consideration on how certain medications, especially GLP-1 agonists, can be used to treat obesity and diabetes in ...

Male hormone levels maintain day-to-day stability while female hormones experience continuous changes throughout both the menstrual cycle and various life stages.

Rates of sexually transmitted infections (STIs) were getting lower in the United States for many years, but that trend has recently reversed, and STI rates are now skyrocketing. Gonorrhea is one of ...

Leading specialists explain how perimenopause, cortisol, and shifting hormones affect women’s productivity and mental health, and why these “glitches” aren’t just in your head.

Men have nipples, mammary glands and the hormones required, but the ability for male lactation rarely turns on. Here’s why evolution mostly suppresses it.