|
|
Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
There are more nerve cells in one human brain than there are stars in the Milky Way.
On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.
A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.