either ingested or injected. At low doses (20 to 40 mg) amphetamines produce increasing
             alertness and a sense of euphoria, and reduce fatigue. At high doses (over 50 mg), amphetamines can
             cause muscle tremors, aggressive outbursts, insomnia and paranoid delusions.
             Cocaine is taken from the leaves of the coca plant in a white powder form called cocaine
             hydrochloride. Cocaine can be inhaled, injected, or converted to crack for smoking. At low doses
             (roughly 50 mg) it increases alertness, energy and produces a feeling of euphoria that lasts from a few
             minutes to an hour. At high doses cocaine can produce depression and paranoia as well as life threatening
             The third and most common stimulate
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