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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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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

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In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

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There are 60,000 miles of blood vessels in every adult human.

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