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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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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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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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The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.
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The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.