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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.
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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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Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.