There is a HUGE difference between heroin and weed....can you show me an actual documented case of a 12 year old kid who smoked weed and jumped out a freaking window?! I think that was a Reagen-era DARE commercial. The guy isn't ruining his life, he's just smoking some pot to help him go to sleep at night and take the stress off. He would be stupid to bring a bong with him on the job, and most of the ppl I know who have smoked weed aren't sleeping in some alley in the Bronx. Also, all of the people I know who smoke weed never get sick and are in great shape and young professionals. I think its because stress lowers your immune system, and they're never stressed...bottom line, I think that it's pretty harmless.