Actor Saif Ali Khan shared details of a near-fatal attack at his residence, revealing he has 30 scars on his neck and ...

An arteriovenous fistula is an incorrect connection between an artery and a vein. Typically, blood flows from arteries to capillaries and onto veins. In an arteriovenous fistula, the artery and ...

Even when a patient has a usable one, a vein often isn’t a good replacement for an artery. “Your veins are very thin. They're weak little structures, and your arteries are very strong,” she ...