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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.

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Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

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Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

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Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

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In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

A tamed cheetah offered as tribute to the King of Thebes (1700 B.C.) A tamed cheetah offered as tribute to the King of Thebes (1700 B.C.)
Defibrillator. Defibrillators are devices that supply a voltage charge to the heart in the hope of r Defibrillator. Defibrillators are devices that supply a voltage charge to the heart in the hope of r
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Multigroove adjustable pliers are known by many names, including the trade name Channel Locks®. Multigroove adjustable pliers are known by many names, including the trade name Channel Locks®.
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Mishu wants to invest an inheritance of $20,000 for one year. His credit union offers 8.85% for ... Mishu wants to invest an inheritance of $20,000 for one year. His credit union offers 8.85% for ...
Video: Febrile Seizure

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