Affecting approximately 10 million people in the United States, atrial fibrillation is the most common type of irregular heart rhythm.

Characterized by a floppy heart valve, mitral valve prolapse is one of the most common heart valve problems, affecting up to 3 percent of Americans.

Almost one-third of U.S. adults 65 and older have this heart valve disorder that impedes blood flow from the heart.

These fatty acids are crucial for eye, neurological, and psychological health, but is supplementing heart-healthy? Explore both sides of the argument.