A penis starts growing rapidly between ages 10 and 14 and generally slows down and stops growing by ages 16 to 21 when puberty ends. The timeline depends largely on when puberty starts, which may be ...

Certain skin care actives can cause irritation and dryness when mixed. Learn about which skin care ingredients not to mix and ...

Collagen peptides offer many benefits, such as improving skin elasticity and joint health. Learn how these powerful proteins ...

A new drug, called orforglipron, can help people with diabetes manage their A1C and weight, according to topline results from ...

A new study shows that brown rice contains higher levels of arsenic than white rice. But there are many factors to consider ...

Ohtuvayre is the first new inhaled COPD therapy approved in over two decades. COPD is a chronic inflammatory condition that ...

Learn how to pick the right protein bar with tips from a dietitian–what to look for, what to avoid, and the best options for ...

Creatine is a compound made from three amino acids that's found naturally in the body. Many people use creatine supplements ...

Theory is redefining resolutions. Learn why April—not January—may be the ideal time to reset your goals and how to do it ...

Metastatic castration-resistant prostate is an advanced form of the cancer that’s incurable. Learn about treatment options ...

Adult autism diagnoses are increasing. Learn the signs and common characteristics of autism in adults and how to manage ...

To build muscle mass, you need around 1.2–1.7 grams of protein per kilogram of body weight or 0.5–0.8 grams per pound of body ...