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.
The two men believe they set the record for the largest fish caught on a kayak. They measured it at 83 inches long and more than 73 inches in girth and estimated it weighed 552 pounds. It was then returned to the water. Florida fisherman Jon Black caught a 552-pound grouper while fishing in Sanibel Fla. on May 20.