For those who have never had an addiction but know of people who do, here is an article I found that talks about drug abuse and addiction. This article gives you a bit of an idea of the addiction so that you can understand the addictions. It is not 100% but it is very good information. Here is small bit of what the article is about. "Many people do not understand why or how other people become addicted to drugs. It is often mistakenly assumed that drug abusers lack moral principles or willpower and that they could stop using drugs simply by choosing to change their behavior. In reality, drug addiction is a complex disease, and quitting takes more than good intentions or a strong will. In fact, because drugs change the brain in ways that foster compulsive drug abuse, quitting is difficult, even for those who are ready to do so. Through scientific advances, we know more about how drugs work in the brain than ever, and we also know that drug addiction can be successfully treated to help people stop abusing drugs and lead productive lives." National Institute on Drug Abuse 2012. Here is a link to the full article.