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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.
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Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.
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Vaccines prevent between 2.5 and 4 million deaths every year.
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.