Any child of the ‘80s or ‘90s knows the best way to avoid a life of drugs and crime is to “just say no.” D.A.R.E. and other similar programs were an integral part of the middle school experience. However, multiple studies have shown that anti-drug ad campaigns “had no favorable effects on youths’ behavior.” Turns out, drug addiction is a lot more complicated than simply saying “yes” or “no” to an offer of marijuana or cocaine.