摘要：When someone gets hooked on a drug such as heroin, the person becomes a slave to it, and needs it every four to eight hours. It eventually consumes the person to the point where drug use, especially for the depressant category, is all that they think about and want to do. They have such a need for using the drug that it is nearly impossible to do activities of daily living. As a result, they miss out on many important and enjoyable activities in life
