The National Institute of Allergy and Infectious Diseases paid researchers more than $200,000 in order to study HIV rates in transgender women by injecting monkeys with hormones. “This study is a ...

For years, scientists have known that women are far more likely than men to suffer from irritable bowel syndrome (IBS)—a ...

Hormone replacement therapy (HRT) alters hormone levels, which can manage menopause symptoms. Doctors also use it to manage hormone imbalances and as part of gender affirming care. Hormone therapy has ...

Did you know your body is full of chemical messengers that help regulate your various organs and body systems? There are at least 50 such chemicals, called hormones, in the human body. Their levels ...