One of the problems in health research is
I was in the ER one time for something emergent, but not immediately life-threatening. Sitting on the gurney waiting my turn I overheard (yes, through those hermetically sealed, sound proof curtains they have)
Mr. [something … I don't remember], I need you to tell me how much cocaine you took, how you took it, if you took it with something else, and when you took it.
Oh, I don't do drugs no more.
Sir, your temperature is over 105, your heart is racing, and your pupils are severely constricted. If you don't tell me what you took, you are significantly reducing the chances I can keep you alive.
He said he wasn't lying, and they wheeled him away rapidly.