The drug is broken down largely
             by an enzyme in the blood called pseudocholinesterase. Cocaine is metabolized into a number of by-products, some of them active and others inactive. The by-product most commonly detected in people's urine is benzoylecgonine; this metabolite can be detected for up to several days after cocaine use" (Weiss 28).
             "Cocaine use tends to begin during young adulthood (18-25 years old), a transitional time when individuals must negotiate the move from adolescence to entry and participation in the social tasks of adulthood. Although cocaine is a drug that appeals to a wide range, most abusers are between the ages of 25 and 40. The average cocaine abuser is approximately 30 years old" (Nuckols 7).
             The reason's for cocaine's intrusion relate both to socail factors and to the properties of the drug itself. Despite in
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