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Author Question: The study of the heart is known as ________. Fill in the blank(s) with correct ... (Read 90 times) |
In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).
More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.
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.