First, in the biological theory, some genetics are more easy to abuse drugs. The second theory is psychological theory. The professor said that some personality might be more susceptible to abuse. Also, drug has both positive and negative reinforcement. Positive reinforcement is that drug can lead pleasurable experience. Negative reinforcement is that use of drug can relief pain, anxiety, and loneliness.
Another theory is the sociological theory. Social theory has two components; social structural and social characteristics. Poor social structure such as government or social institution for preventing and treatment drug abuse is one of the causes. Moreover, the low social status, family member, school can lead people to use drugs. As I mentioned before, the drug abuse is one of the preventable social problem. First, the society should make social norm about drug. If they make social norm that drug is bad, it can help people to notice and recognize the danger of drugs. In addition, the government or society should make social friendly for the people who get the treatment of drug abuse. They should provide job training to people with treatment of drug abuse in order them to go back job. After treatment, if they can go back job or society, it might reduce the probability of reusing drug. Also, the society should provide some supports to the family member. It may can reduce the another new drug abuse caused by stress of the support drug abuse family member. For preventing drug abuse, the government, society and also individuals should