INTRO: Substance abuse and drug abuse are used interchangeably. The two concepts are coterminous but not the same. To be clear, every drug abuse is a substance abuse but not every substance abuse is a drug abuse. The word abuse features consistently in the two concepts nonetheless, and it has to do with excessive intake, and/or use without prescription, and/or illegal use, and/or misuse of drugs or substances. I have often been tempted to saying that abuse has something to do with ABnormal USE. A great deal of verities of drugs and substances exist which can be abused such as: Alcohol (wine, gin, beer, whiskey), Prescription Medication (stimulants, sedatives, opioids, tranquillisers), Over-the-Counter (OTC) drugs (cough medicines, cold medicines, and motion sickness pills), Illegal Drugs (cocaine, methamphetamine, marijuana, anabolic steroids, heroine), Club Drugs (ecstasy, ketamine, rohypnol). The reasons for drug and substance abuse which are also considered the causes of...
...so, why ask why?