guys, cool down a min. the original poll wasn't about whether smoking good or bad! that's obvious for smokers & non-smokers alike.
the aim, to my guess, is whether anyone has a "proven" scientific reference that says you should refrain from smoking prior to diving? and for how long before?
the aim, to my guess, is whether anyone has a "proven" scientific reference that says you should refrain from smoking prior to diving? and for how long before?