Vaping substantially less harmful than smoking, largest review of its kind finds King's College London Why Does Vaping Cause Bad Breath In Young Adults Is Vaping Better Than Smoking? American Heart Association Many people believe that vaping is less harmful than smoking, but that's a common misconception. In fact, in addition to nicotine, vapes can contain toxic chemicals that could be linked to cancer, The Dangers of Vaping: Six Facts to Know Holland Hospital Does Vaping Cause Lung Cancer? Myths and Facts OncoDaily