I was thinking the same thing. I've been around chronic pot smokers almost fifty years (4 Jul 1968 was my first time sitting down with a bunch of potheads in the commo bunker at Dak To). I lived in Hawaii for thirty years and worked in the motorcycle industry. Extrapolate from that what you will; and this, today, is the first I have heard about this cyclic vomiting syndrome.
Pot has been legally available for retail sales where I live for about six months and has, in fact, been legal to grow or possess for personal use here since 1975.
I'll file this away for future reference as a dot that may be connected at a later date. For now, as far as I am concerned this is unsubstantiated hyperbole at best. In the world of today, what I know is based on personal experience and direct observation. Everything else is just rumor to which I apply critical thinking based on what I really do know.
I like the cut of your jib.