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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
Illicit drug use costs the United States approximately $181 billion every year.
There are 60,000 miles of blood vessels in every adult human.
Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).
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.
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