Substance abuse and dependence has always been a major concern for the global community. While illicit drugs like heroin and cocaine have been considered a problem for decades now, a new trend of drug abuse has emerged statistics show that today more and more people become dependent on prescription drugs like painkillers or anti-anxiety medication. The shocking increase in the numbers of overdose cases has alarmed health care officials, who call for more strict regulations and effective informative campaigns. In order to find out more about drug abuse, dependence and overdose risks read this book.