Carotid artery. Carotid artery disease is caused by a buildup of plaques in arteries that deliver blood to your brain. Plaques are clumps of cholesterol, calcium, fibrous tissue and other cellular debris that gather at microscopic injury sites within the artery. This process is called atherosclerosis.
One of the biggest great white sharks ever caught on tape. Before you go, we thought you'd like these... Nicknamed 'Deep Blue,' this great white is almost as long as the 22-foot-long boat the researchers were aboard near Guadalupe, Mexico, nearly 165 miles away from mainland.
1 Naturally, this sort of claim drew the attention of experts. Upon further inspection, researchers estimate that the giant Cuban shark was actually about 16 feet long.  A Great White caught off the coast of Malta in 1987 was said to measure in at 23 feet.