There are also a lot of addicts who believe they're high functioning and really aren't.

I strongly suspect mandatory opioid and cocaine testing in politics - never mind finance and law - would be a very good thing.

"Your teeth look good, have you made any diet changes?" - Dentist "Yeah, I don't eat poppy seed bagels anymore, don't want to lose my job. Oh, and no novacaine, same reason. Just get started until I pass out from the pain."

C'mon.

C'mon?

There's a huge difference between popping pills and having a local anesthetic. To even attempt to compare the two is being disingenuous at best. It's not even something prescribed to take home.