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Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.
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.
The average office desk has 400 times more bacteria on it than a toilet.