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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
The longest a person has survived after a heart transplant is 24 years.
Women are 50% to 75% more likely than men to experience an adverse drug reaction.
If all the neurons in the human body were lined up, they would stretch more than 600 miles.
Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
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