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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 first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.
Women are 50% to 75% more likely than men to experience an adverse drug reaction.
Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.