|
|
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.
Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.
There are more nerve cells in one human brain than there are stars in the Milky Way.