What is an aortic dissection? An aortic dissection is a tear (dissection) in the wall of the body’s main artery (aorta). The aorta sends blood from your heart to the rest of your body. A tear causes ...

“Table tennis is ubiquitous. Everyone is playing it. Everyone is having fun,” says two-time table-tennis Olympian Sean O’Neill. If you want to join the fun, all you need is a little hand-eye ...

If you have a tumor or a lesion within the lining of your gastrointestinal tract, your doctor may recommend removing it with a procedure called endoscopic submucosal dissection. Endoscopic submucosal ...