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Did you know?
Blood is approximately twice as thick as water because of the cells and other components found in it.
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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
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People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.
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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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There are 20 feet of blood vessels in each square inch of human skin.