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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
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Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.
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Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.