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Author Question: The renal artery and vein, nerves, and lymphatic vessels enter and leave through the ________. ... (Read 47 times) |
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.
Cyanide works by making the human body unable to use oxygen.
Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.
About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.