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Approximately 500,000 babies are born each year in the United States to teenage mothers.
People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
In 1864, the first barbiturate (barbituric acid) was synthesized.
Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.
If all the neurons in the human body were lined up, they would stretch more than 600 miles.
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