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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
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Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.
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The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.
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During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).