Could grandparents be the secret ingredient for longevity? In his groundbreaking On the Origin of Species, English naturalist Charles Darwin expressed the idea of natural selection.
The lifetime risk of stroke for adult men and women (25 years of age and older) is approximately 25 percent. Worldwide, stroke is the second most common cause of mortality and the second most common cause of disability.
The diagnosis of a very rare neurologic disorder, Raymond Hunt Syndrome, means Bieber has to work to limit his physical and mental stress to return to health and his career.