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Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).
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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.
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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
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It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.