If you smoke, smoke outside. Even if the oxygen is turned off, it isn't safe to smoke near an oxygen tank. U.S. Fire Administration Facebook You Need To Vape To Run Quicker Hopefully you knew this was a joke. However, to be fair I thought nicotine had the same impacts on the body as other stimulants like Can Vaping Lead to Lung Cancer? Regional Cancer Care Associates Secondhand vape plumes could form lung damaging radicals American Chemical Society