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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.
Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.
Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.
Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.