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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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It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.
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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
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If you could remove all of your skin, it would weigh up to 5 pounds.