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Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.
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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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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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The average adult has about 21 square feet of skin.