1 Total loss of circulation can lead to gangrene and loss of a limb. 2  Blockage in the renal arteries (arteries supplying the kidneys) can cause renal artery disease (stenosis). 3  The symptoms include uncontrolled high blood pressure, heart failure, and abnormal kidney function.rteries carry blood away from the heart while veins return it. Vascular disease includes any condition that affects your circulatory system. This ranges from diseases of your arteries, veins, and lymph vessels to blood disorders that affect circulation.
World's Weirdest: Vampire Bats. When it comes to feeding, this thumb-sized bat definitely sides with Dracula. Vampire bats are the only mammals on an all-blood diet â and an unsuspecting cow is the perfect prey.
Vampire bats were integrated into vampire folklore after they were discovered on the South American mainland in the 16th century. There are no vampire bats in Europe, but bats and owls have long been associated with the supernatural and omens, mainly because of their nocturnal habits, and in modern English heraldic tradition, a bat means Awareness of the powers of darkness and chaos.