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Cyanide works by making the human body unable to use oxygen.
Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.
The average adult has about 21 square feet of skin.
The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.
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