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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.
It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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.