Infographic: The heart out of rhythm

For much of his life, Mark Kocak kept in great shape, lifting weights, doing aerobics and yoga, all while being an avid runner. But as ...

Pericarditis is a challenging illness that's often mistaken for a heart attack or other organ disease. In this Mayo Clinic Minute, Dr. Leslie Cooper Jr., ...

Carotid artery disease occurs when the blood vessels supplying your brain and head, known as carotid arteries, are damaged or blocked by fatty deposits. These deposits ...