After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
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Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.
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Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.
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Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.
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The average adult has about 21 square feet of skin.
Details of plant population biology from repeat photography: (a) saguaro cactus in MacDougal Crater,
