Hormones are the body’s chemical messengers. They act on various tissues and organs in the body to change their behavior. For example, the hormone prolactin stimulates the production of breastmilk.

Our bodies are constantly breaking down. Over time, their built-in repair mechanisms also fail. Knee cartilage grinds away. Hip joints no longer support weight. Treatments for breast cancer and other ...

If you're aiming to build muscles, your diet should have high-protein foods. They supply essential amino acids that are ...

Cancer is a disease that causes abnormal cells to reproduce and spread to other parts of the body, which can result in tumors or damage to the immune system that may become fatal. Healthy cells follow ...

Smart scales track changes in your muscle mass, body fat percentage and other health metrics — but how do smart scales work, and how accurate are they? When you purchase through links on our site, we ...