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Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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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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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.