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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.
Green tea is able to stop the scent of garlic or onion from causing bad breath.
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.