In the chapter prologue on addiction, what factor induced John to restart his heroin addiction?
A) John smoked some marijuana and drank some alcohol, which led him back into heroin use.
B) The stress of losing his job led to drug relapse.
C) John saw a poster on drug paraphernalia and experienced a very strong drug craving.
D) John was reintroduced to heroin while in prison.
E) All of the above are correct.