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Asthma cases in Americans are about 75% higher today than they were in 1980.
Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
People about to have surgery must tell their health care providers about all supplements they take.
After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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