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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.
There are 20 feet of blood vessels in each square inch of human skin.
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.