Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

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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.

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Asthma cases in Americans are about 75% higher today than they were in 1980.

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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

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