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.
Great white sharks may not be the world's biggest sharks, since that title goes to the whale shark, but they are the planet's largest known predatory fish. Whale sharks and great whites couldn't be more different in temperament.
The great white shark is an exceptionally large lamniform shark found in coastal surface waters in all major oceans. Reaching lengths of more than 20 ft and weighing up to 4,938 lb, the great white shark is arguably the worldâs largest known predatory fish. It is the only surviving species of its genus.