Vaping releases toxic chemicals, including heavy metals, as well as ultrafine particles that go deep into the lungs. These increase the risk of heart and lung disorders. While vaping is not risk free, it is less harmful than tobacco Our World in Data E cigs: More Dangerous Than We Thought Colorado Allergy & Asthma Centers, P.C. E Cigarette vs. Traditional Cigarette: Health Risks, Research Gaps, and Counseling Considerations