If you could remove all of your skin, it would weigh up to 5 pounds.
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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.
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Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.
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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.