What vape products are still allowed under the new e cigarette policy? Vaping vs. Smoking: What's the Nicotine Equivalent? Curious about how vaping compares to smoking? Let's break it down! Disposable Vapes: A typical disposable vape with around 600 puffs can Vaping Safety, Smoking, Dangers, Pros, Cons, Debate, E cigarettes, & Tobacco Britannica Vapes and e cigarettes often contain nicotine, heavy metals, and carcinogensand can harm developing brains, affect mood and learning, and lead to lasting lung damage. Just one hit can start an addiction.