Illicit drug use in America has been increasing. In 2012, an estimated 23.9 million Americans have used illicit substances. Some of the most profoundly used substances are marijuana, psycho-therapeutic, cocaine, hallucinogens, inhalants and heroin. People get addicted to drugs because of certain factors such as they get high, abuse or past neglect, juvenile experimentation, family history of addiction and mental health disorders. But with the help of addiction recovery and support of other people, the road to recovery can be easy for you.