You will also pick the drug of your choice and tell us how it affects the brain (How it works or the various neurotransmitters it mimics or competes with) and the various side affects of the drug. LSD, Marijuana, Crystal Meth, Cocaine, (Nicotine Cigarettes and e-cigaretes), Caffeine and Alcohol.
Is there a science behind addiction? Why do humans or even animals become addicted?
You need to site four credible sources.