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Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.
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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
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Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.
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The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.