What is substance abuse? It is defined as dangerous or precarious use of psychoactive substances including alcohol and prohibited drugs. It's also when you use prescription medicine, and other legal substances too much or in a wrong way. As quoted by our Miss Universe 2019 Catriona Magnayon Gray, when she was asked about the legalization of Marijuana, "Everything is good, but in moderation." However, substance abuse varies from addiction. Numerous people who have substance abuse problems are capable of quitting or can change their unhealthy behavior. On the other hand, addiction is a disease. It means, it's really hard to stop it even if the person already had experienced the consequences brought by addictive substances.