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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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In 1844, Charles Goodyear obtained the first patent for a rubber condom.

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Medication errors are more common among seriously ill patients than with those with minor conditions.

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In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Animal extinctions and human population growth. Animal extinctions and human population growth.
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