What do you say we see how other common things (alcohol, caffeine, nicotine, sugar, chocolate) fare under the same experimental conditions, before we decide what to do about pot? Do any of them lead to increased self-dosing of heroin, and if so, what should we do about them?
I don't know; I know a lot of potheads who never progressed to heroin. BTW, earning a paycheck by getting rats stoned must be a real hoot.
Lock me in a box and let me know that pressing the lever will make me feel good, and I'm guessing I'll press the lever.
No doubt water gives your typical druggy a mighty thirst for heroin injected straight up.
However, as the rest of us know, back in the "real world", no such thing happens to normal people.
I think this is the test you've always wanted ~ but you wanted different results. Bwwaaahahahahahahahahahahah~~~~~~~~~~~~~!!!!!!!!
It's not happening.
Clue.
Moreover, they could have gave the rats an option between continued
marijuana use and the heroine.