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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
The average adult has about 21 square feet of skin.
After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.