Chemicals in vapes could be highly toxic when heated, research finds Vaping The Guardian While smoke and vapor may seem similar, smoke from burning delivers a harmful chemical punch due to its chemical reaction. Explore what's inside both and uncover the differences here: https: www.pmi.com our science the difference between cigarette Did you know just three puffs of a vape can affect your heart and blood vessels? , Nicotine triggers a surge of adrenaline that raises heart rate and blood pressure, causing a 14 percent spike in Are you supposed to inhale when you vape? Vaping Post