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Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.
Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.
In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
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.