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Vaccines prevent between 2.5 and 4 million deaths every year.

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The FDA recognizes 118 routes of administration.

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According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

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Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

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