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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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As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

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Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

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Green tea is able to stop the scent of garlic or onion from causing bad breath.

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