be careful guys! don't forget CO in your bloodstream is not only going to affect your hypoxia but also become toxic in itself as you get deeper.
if you think you may have inhaled boat fumes on your breathe up.. don't dive until you feel completely clear (if at all). We were all freediving off a RIB a couple of weeks ago and you could see the fumes on people's breath - nasty stuff
and yes DCS can affect you for life. My symptoms are pretty minor but with me forever. Physio has helped a bit. I have a friend who had completely learn to walk again and still needs to use a stick - and she's only in her mid twenties. Nerves that die don't tend to regrow...
so yes, take it seriously, on scuba or freediving but particularly if you do both!
Sam
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