Heart disease is more common in people over 65, but treatments are better than ever. That can complicate decision-making for ...

The female reproductive system includes internal and external organs, each designed to carry out varying functions. Learn more about the anatomy of this system.

The vagus nerve does it all—tells your lungs to breathe, controls your heart rate, and even forms the foundation for a whole ...

Researchers at the University of Toronto's Institute of Biomedical Engineering have found that studying blood flow in leg ...

CHICAGO - This Valentine’s Day, we heard from a woman who recently underwent a rare dual organ transplant. Doctors gave Laura Valentine a new heart and liver. Valentine, 35, was born with only half a ...

In a new book, Dr. Mary-Frances O’Connor explores the ways grief affects the body, from the heart to the immune system.

Cardiovascular diseases claim more lives in the U.S. than all forms of cancer and accidental deaths combined, according to ...