Electronic cigarette Wikipedia Don't be foolede cigs or vapes may be less harmful than cigarettes, but less harmful doesn't mean safe. Vapes can contain harmful substances including nicotine, heavy metals like lead, volatile organic compounds and 80.8% people believe that vapes are less harmful than cigarettes VAPE HK No, vapes aren't 95% less harmful than cigarettes. Here's how this decade old myth took off. The Big Smoke VAPING: Less harmful but not safe ScienceUpFirst 2020 Update: Is Vaping More Dangerous Than Smoking?