http://www.google.com/search?hl=en&rlz=1C1GGGE_enUS379US379&q=active+ingredients+in+heroin&btnG=Search&aq=f&aqi=&aql=&oq=
http://www.google.com/search?hl=en&rlz=1C1GGGE_enUS379US379&q=What+causes+people+to+abuse+heroin&btnG=Search&aq=f&aqi=&aql=&oq=
Read widely and carefully; take good notes. Let us know what you discover.
What are the active ingredients in heroin? (What causes people to abuse it?)
3 answers
Thank you so much for your help. I will try harder!
You should have found your answers easily in those search results, yes?