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The average adult has about 21 square feet of skin.
Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
Your heart beats over 36 million times a year.
Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.
In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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