The brain's chemical circuits are also altered over time, which can have a negative impact on cognitive processes, such as learning, memory, stress management, and behaviour. Many addicts continue to use drug even though they are aware of the negative effects. This is a typical sign of addiction.
Why does some people have a drug addiction and others do not? One factor cannot predict a person's likelihood of developing a drug addiction. The risk of developing addiction can be affected by many variables. A person's risk factors can increase the chances of them becoming addicted to drugs.
Biology. Half of an individual's chances of becoming addicted is determined by their genetic makeup. Other factors that can influence drug abuse and addiction risk include gender, ethnicity and the presence of mental disorders.
Environment. Environment. The environment that a person lives within can have a wide range of effects. These include the impact on their family, friends, financial stability, and quality of life. A variety of factors can influence the risk of someone becoming addicted to drugs, such as peer pressure, sexual abuse, early exposure to drugs, stress and parental supervision.