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Did you know?
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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The human body produces and destroys 15 million blood cells every second.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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