1. History of Drug Abuse
... and Uses Related: Pharmaceuticals Morphine, a narcotic , acts directly on the central nervous system. Besides relieving pain, it impairs mental and physical performance, relieves fear and anxiety, and produces euphoria. It also decreases hunger, inhibits the cough reflex, produces constipation, and usually reduces the sex drive; in women it may interfere with the menstrual cycle. Morphine is highly addictive. ... from the smoke and contaminants. Regular use can result in dependence. marijuana Section: History of Marijuana Use Related: Pharmaceuticals Marijuana has been used as an agent ...
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- Grade Level: Undergraduate