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Did you know?
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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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 average adult has about 21 square feet of skin.
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Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.