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Author Question: A medical study examined data on patients with cardiovascular disease who were currently non-smokers ... (Read 1584 times) |
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.
People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
On average, the stomach produces 2 L of hydrochloric acid per day.
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.