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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.
Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.
Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.