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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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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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Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.
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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.