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Author Question: The sun rotates more quickly at the equator than at the poles. Indicate whether the statement is ... (Read 42 times) |
According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.
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.
Excessive alcohol use costs the country approximately $235 billion every year.
Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
In 1864, the first barbiturate (barbituric acid) was synthesized.