The science about dopamine and the survival center of the brain shows that anyone with a brain can get a substance use disorder. Therefore, this is nobody's fault. The science also suggests why treatment requires staying away from drugs and alcohol, keeping safe from people, places, and things that trigger drug use, and getting support with past and present needs. In this book, Dr. Margaret Bourne shares her understanding of the science of addiction in an effort to give hope to people suffering from substance use disorders and to their friends and families, including: