Amphetamines are a group of powerful and highly addictive substances that dramatically affect the central nervous system. Closely related are the so-called "designer amphetamines," the most well-known of which is the "club drug" MDMA, or "ecstasy" (pictured above). Use of MDMA produces increased blood pressure, heart rate, and heart oxygen consumption. MDMA is not processed and removed from the body quickly, and remains active for a long period of time. As a result, toxicity may rise dramatic...
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- Amphetamines and related disorders