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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.
On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.
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.