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If all the neurons in the human body were lined up, they would stretch more than 600 miles.
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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.
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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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Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.
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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.