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I know its bad. I AM planning on quitting to further my diving. That being said:
What are the increased risks of an air embolism?
Does cigarette smoking pre-load you with C02? (I have always assumed this and planned my dives for 1.2PPO2max instead of 1.4 just to be on the safe side.)
I know it has nothing to do with SAC rate (which actually probably improves as emphysema sets in)
Physiological effects? Nicotine and getting narcd, etc
Looking for SERIOUS answers to those questions.