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More than 4.4billion prescriptions were dispensed within the United States in 2016.
There are 60,000 miles of blood vessels in every adult human.
Everyone has one nostril that is larger than the other.
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.
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