Looking to quit for health concerns. Trying to get back in the gym and go hard, raise the SMV and such.

Also thinking a long history of smoking may play apart in an on again, off again loss of erection problem (thinking circulation issues/blood pressure)

Dropped smokes all together the other day and been picking up the disposable Blu E-Cigs. Guessing its just vapor with nicotine in them.

Dont get me wrong, I still know I'm putting an addictive chemical into my body but is it and will it hinder my gym progress and/or have an effect on my circulation/blood pressure etc..?