Your heart is divided into a left and a right side. The right side of your heart pumps blood to your lungs to receive oxygen. The left side pumps the oxygenated blood to the rest of your body. Right ...

Pain in the right shoulder and arm can occur due to injury, wear and tear, and other health conditions. You may experience other symptoms with certain causes. Shoulder pain is very common. Because ...

The right coronary artery supplies blood to a part of the heart. To do this effectively, it branches off into smaller arteries, such as the conus artery and the sinoatrial nodal branch. Each branch ...

Randall Balmer is the Mandel family professor in the arts and sciences at Dartmouth College. His most recent book is Redeemer: The Life of Jimmy Carter. One of the most durable myths in recent history ...