I highly doubt it. More people choke on their own vomit on their backs while drunk. People die from that all the time. I've eaten so much when I was high that when I woke up the next day I threw up but that was just due to me eating a ton of different shit and it just didn't mix. I've never thrown up from greening out either, although my fiance has. Was some funny shit.
But I really wouldn't worry about that.
You're lucky. Back in high school I was still Straight Edge and never touched the stuff, although every single one of my friends did it and looking back I could have gotten a TON of weed for free. I work far better high than I do sober so no doubt my grades would have been better if I was high.
Dude had a 2.1 gpa before, an a 18 act. now got a 22. loveeee it.