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Did you know?
There are 60,000 miles of blood vessels in every adult human.
Did you know?
Illicit drug use costs the United States approximately $181 billion every year.
Did you know?
Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.
Did you know?
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Did you know?
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.