Could someone please explain the appeal and effects of inhaling Air Duster (canned air)?

My friends and I were being stupid one night and one whipped out a can of air duster. They huffed the entire thing in about half an hour and were freaking like crazy over it.
They offered me some but I refused because the idea inhaling compressed air (and however many unknown/ harmful chemicals) really [...]

Anybody can tell me what dusting keyboard cleaner, air canned, huffing, and whipits is?

what are the dangers of huffing (inhaling) those canned air things..? dusters..?

i’ve seen the episode of Intervention where they’re trying to help this one girl who’s all addicted to huffing those air duster things.. but what are the dangers of doing that..?? can u die from just tryin it a couple of times..??