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The average adult has about 21 square feet of skin.
Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.
Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
Everyone has one nostril that is larger than the other.
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