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

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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

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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 first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

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In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

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Video: Introduction to Eating Disorders

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