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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.
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.