"There are already many substances (opiates, crack, meth to name a few), some that have been around for centuries, that give intense dopamine-release rushes."

"There are already many substances (opiates, crack, meth to name a few), some that have been around for centuries, that give intense dopamine-release rushes." Yeah, but consider something that directly stimulates the brain - the best first hit of heroin anyone has ever experienced, under the best conditions, would be nothing by comparison. We can't even imagine the results of that kind of hit.