Save. A hookah is a type of water pipe used to smoke flavored tobacco, which is a popular social activity among young adults in the United States, the United Kingdom and the Middle East.ave. A hookah is a type of water pipe used to smoke flavored tobacco, which is a popular social activity among young adults in the United States, the United Kingdom and the Middle East.
Cardiovascular (heart) surgery is surgery on the heart or great vessels performed by cardiac surgeons.
Vascular surgeons are doctors that specialize in treating conditions involving the blood vessels in the body. This includes treating varicose veins and spider veins. In severe cases of varicose veins â such as when they cause an ulcer on the skin â a vascular surgeon may use endoscopic vein surgery.