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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
Asthma cases in Americans are about 75% higher today than they were in 1980.
Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
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