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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.
Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
Green tea is able to stop the scent of garlic or onion from causing bad breath.
The human body produces and destroys 15 million blood cells every second.