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Asthma cases in Americans are about 75% higher today than they were in 1980.
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More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.
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Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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Illicit drug use costs the United States approximately $181 billion every year.
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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.