Well idunno really.... I mean, it makes sense cuz THC is heat-activated, but at the same time alot of thc-rich-fumes going to waste, so that might counter-balance it...
Well to test your theory, but a cig in the micro, and if it gives you an effect (other than chill), then it's prolly the radiation. If not, then I'd say it's safe and continue
A few of my titles:
Booze and Medical King of the 3 KingZ.
Crazy stoner of the SHH (Stoned Horny Hustlers).
Pioneer for the Game of Life.
"It's a great herb, but it's also just that. An herb." - My Yoda