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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.
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The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.
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There are 20 feet of blood vessels in each square inch of human skin.
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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.