Drug use is seen more as an individualistic behaviour and is therefore not readily conceived of from a population perspective.
There is general recognition of several phases and degrees of drug abuse, from initiation and early-use patterns to long-term chronic use.
Cocaine and its derivative "crack" cocaine provide an example of both the globalization of substance use and the cyclical nature of drug
epidemics. Cocaine is a powerful CNS (Central Nervous System) stimulant but exerts its action in a several types of adverse health effects,
including acute toxic effects (i.e. overdose, accidental injury and violence), dependence, cardiovascular disease, cirrhosis, bloodborne
bacterial and viral infections, and mental disorders. Of interest, many people who use Cocaine will use also other drugs; therefore,
ascribing adverse health effect to a certain drug might be difficult. Any mucous membrane can act as a port of entry for cocaine and the
systemic effect is greatly influenced by the route and speed of administration. The effects of Cocaine mainly depend on the user’s addiction,
the dose received and the mode of assumption. Laws restricting the availability of cocaine saw a decrease in consumption in these
countries until the 1960s. The number of cocaine users worldwide ranged from 14 million to 21 million (0·3–0·5% of the population aged
15–64 years). The largest market was North America, then western and central Europe and South America.
Keywords: Cocaine abuse, laws restricting, "crack", epidemiology, dependence, cardiovascular disease, Drug, individualistic behaviour, drug abuse, cyclical nature
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