A few years may make or break where they're going with this. Interesting though. Isolating and defining a mechanism seems to be the next step...I have no clue how these folks do their work. Fingers crossed for the future. I wonder if it's endorphins or maybe an endorphin-like chemical that originates the same way but with diff. properties perhaps. Maybe something alters the makeup of this endorphin...perhaps it's a mimic and something entirely different. How to find that out??? Oh well...back to the comic books...