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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.
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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
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In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.
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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.