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Did you know?
Asthma cases in Americans are about 75% higher today than they were in 1980.
Did you know?
Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.
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Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.
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There are approximately 3 million unintended pregnancies in the United States each year.
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If you could remove all of your skin, it would weigh up to 5 pounds.