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Asthma cases in Americans are about 75% higher today than they were in 1980.
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The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.
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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.