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Did you know?
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.
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Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.
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Asthma cases in Americans are about 75% higher today than they were in 1980.
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There are approximately 3 million unintended pregnancies in the United States each year.