Natural Selection at work.
This is a horrible thing that children are doing to themselves. They are doing it for the rush. Every parent should sit down with their kids today and tell them how dangerous this activity is and how it can easily kill them.
Yeah, I have to agree with you here. This isn't sucking down the gas in whipped cream cans.
From the article: Signs that ar child may be engaging in the choking game include: bruised necks, bloodshot eyes and severe headaches
To your point, I would have to think that low IQs or an extreme devoid of common sense are in there somewhere too.