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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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Green tea is able to stop the scent of garlic or onion from causing bad breath.
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Cyanide works by making the human body unable to use oxygen.
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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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Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.