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Did you know?
Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.
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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
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Cyanide works by making the human body unable to use oxygen.
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More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.