What, biologically, is different on a day you smoke cigarettes and then hit the gym?

  • Given nicotine's relatively short biological half life, it's going to depend a lot on how long before the workout, so you may want to specify.
    – Tyler
    Dec 26, 2014 at 6:04
  • Along with the above i would also specify that it would also depend in the fitness regime you are following.
    – user285oo6
    Dec 26, 2014 at 16:33
  • What are you doing "in the gym" ?
    – Eric
    Dec 27, 2014 at 4:19
  • Provide more details: cardio? Weightlifting? Effects of smoking on general performance? Jan 11, 2015 at 22:43


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