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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.