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Effects of Drug Abuse

Many people do not understand why or how other people become addicted to drugs. It can be wrongfully assumed that drug abusers lack moral principles or willpower and that they could stop using drugs simply by choosing to change their behavior. In reality, drug addiction is a complex disease, and quitting takes more than good intentions. In fact, because drugs change the brain in ways that foster compulsive drug abuse, quitting is difficult, even for those who are ready to do so. Through scientific advances, we know more about how drugs work in the brain than ever, and we also know that drug addiction can be successfully treated to help people stop abusing drugs and lead productive lives. Today, thanks to science, our views and responses to drug abuse has changed dramatically. "Groundbreaking discoveries about the brain have revolutionized our understanding of drug addiction, enabling us to respond effectively to the problem," (Volkow). Addiction is a developmental disease that begins in infancy and adolescence and is influenced by a combination of factors involving genes, environment, and an individual's age atfirst drug use.
The genes that people are born with in combination environmental influences of their addiction defenselessness.To addition that, gender, ethnicity, and the mental disorders may influence risk for drug abuse and addiction. "Scientists estimate that genetic factors account for between 40 and 60 percent of a person's vulnerability to addiction, including the effects of environment on gene expression and function. Adolescents and individuals with mental disorders are at greater risk of drug abuse and addiction than the general population", (Volkow). Few weakness genes have been found for alcohol dependence and nicotine addiction. Alcoholism is a genetically inherited disease.There are several evidences proving that "Scientists at Washington University School of Medicine cond…

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