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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.
Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.
Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.