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If you could remove all of your skin, it would weigh up to 5 pounds.
On average, the stomach produces 2 L of hydrochloric acid per day.
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.
Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.