Back in the 1980s, I often saw ads like these on TV:
“Just say no”
“This is your brain on drugs”
The Original Rachael Leigh Cook Brain on Drugs
Yikes! Oh, wait, in 2017, that same actress made this:
What happened? Well, she was exposed to the truth, the WHOLE truth, about the actual results of the anti-drug crusades from the 1970s onward.
Dale Husband's Intellectual Rants 