A drugA name for a wide variety of chemical substances capable of altering the function of your mind and body in significant ways. These can include over the counter prescriptions, alcohol, and controlled substances. Most drugs are either physically and/or psychologically habit-forming. prescribed to addicts to ease cravingThe urge to engage in the behavior you are addicted to, particularly when you have not done so for an extended period. These usually occur with greater frequency in the earlier years of recovery. in the period following detoxAn important step in recovery from harmful substances. This is the process of allowing the body to recover from the damage done through overconsumption. When dependence is very heavy, detox should be done under medical professional oversight..