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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.
Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.
Excessive alcohol use costs the country approximately $235 billion every year.
The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.