Hookah vs Vape vs Cigarette: Which is more harmful? Do Flavoring Agents make them more addictive? All E Cigarettes Emit Harmful Chemicals, but Some Emit More Than Others Berkeley Lab Berkeley Lab News Center ? () Although often promoted as safer than traditional cigarettes, e cigarettes still harm the body in many ways. 1. Health Risks Most vapes contain nicotine, The solution? Or the next problem? The Effects of Flavored Nicotine