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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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There are 60,000 miles of blood vessels in every adult human.
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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
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Excessive alcohol use costs the country approximately $235 billion every year.
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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.