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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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Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.