The 101 on e Cigarettes Infographic American Heart Association What are the respiratory effects of e cigarettes? The BMJ E cigarettes might harm lung tissue much like regular cigarettes do whether they contain nicotine or not a new study says. Harmful Effects of Vaping Chart Health Edco Vaping is often marketed as a safer alternative to smoking, but many vape products contain nicotine, harmful chemicals, and heavy metals that can harm developing brains and lungs. The Dangerous Truth Behind E Cigarettes Advanced DDS