Drug addiction

Drug abuse is the use of illegal chemicals or substances that are not medically prescribed or socially accepted. People dependent on drugs usually take them to improve how they feel but usage can become out of control and may eventually start to rule their lives. Even when use leads to serious physical and mental problems, users may still not want to stop. If they decide to give up, they may find this an incredibly difficult task. All drugs, including alcohol and tobacco, affect the brain. Depending on what drug is taken, different parts of the brain are affected by chemical inbalance...