A new study found an association between sperm quality and life expectancy: Men with fast, strong sperm had increased ...

Body dysmorphic disorder involves all-consuming negative thoughts about one’s appearance, causing intense anxiety or shame.

Vitamin A may reduce the risk of dying from measles, but it cannot prevent infection. Vaccination remains the best way to ...

Addison’s disease is a rare condition in which the adrenal glands do not produce enough of the hormones cortisol and ...

T-cell lymphoma is a rare cancer that affects the lymphatic system. Learn about the types, signs, symptoms, treatments, and ...

Women experience fewer repeat infections with bacterial vaginosis when both they and their male sex partners receive ...

THR-beta agonists are the only medication approved to treat metabolic dysfunction–associated steatohepatitis (MASH), a severe form of liver disease. Learn more.

Eating butter raises the risk of heart disease, cancer, and premature death, a new study finds, while eating olive oil and ...

Children under 5 are at the highest risk of serious measles complications, but the recent death involved an unvaccinated adult. This story was originally published on February 19, 2025. It has ...

Millions of Americans experience chest pain every year. The American Heart Association (AHA) says that chest pain accounts for more than 6.5 million emergency room visits annually in the United ...

Aside from getting the right treatment, one of the best ways to manage this lifelong autoimmune condition is to know and avoid the triggers that can make your symptoms worse. Graves’ disease is ...

For some people, the condition may only cause lumps in the palm and never worsen, while others may develop severely bent fingers that cannot be fully straightened. If the lumps or contractures ...