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Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.
Illicit drug use costs the United States approximately $181 billion every year.
In 1864, the first barbiturate (barbituric acid) was synthesized.
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.
Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

