In previous research, it has been stated that “substance use is considered a disease, because it alters the brain functioning patterns. That is, the CNS is involved in a person’s behavior” If this is true, other activities, such as reading should be a disease due to the brain functioning differences between people who read and those who don’t (Branch, 2011).
Substance use has been considered a brain disease, because there is a predisposition to addiction. Unquestionably, an individual does not possess compulsive behavior due to a genetic predisposition and substance use addiction. This is, because there is no direct relationship between compulsion and predisposition (Heyman, 2013). A previous study found a steep discounting, which refers to the behavior of choosing short-term rewards, despite the having the possibility of having a bigger reward in the long-term. This is related to substances, such as alcohol, tobacco, and marijuana use, and the amount experimentation with the substances. Delay discounting and substance use disorder are