on a serious note Tar is extremely toxically harmful, cannabis is not toxically harmful whatsoever, you would explode or dehydrate first, which is pretty much impossible :-)

Peace,
Denial
denial102 Reviewed by denial102 on . How harmful is one toke? After my friend showed me this I bought a vape the next day. Get a Kleenex and cover the top of your bong, take a hit and see what the Kleenex looks like after. I was pretty surprised. Rating: 5