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Did you know?
There are more nerve cells in one human brain than there are stars in the Milky Way.
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Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.
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If you could remove all of your skin, it would weigh up to 5 pounds.
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IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.