> Vaping Nicotine on its own is vasoconstrictive. The compounds in tobacco smoke altogether are dialative. Tobacco smoke has MOAB agonists and aromatase inhibi

> Vaping Nicotine on its own is vasoconstrictive. The compounds in tobacco smoke altogether are dialative. Tobacco smoke has MOAB agonists and aromatase inhibitors. Tobacco smoke lowers serotonin sensitivity while I don't think pure nicotine does this. Vaping is really not a substitute for tobacco smoke as it is missing a bunch of chemicals.