Vaping and E Cigarettes: What Are the Risks? Alabama Cooperative Extension System Is Vaping Better Than Smoking? American Heart Association An e cig to rival real ones British Dental Journal The nicotine in 1 vape can equal 50 cigarettes. Depending on the size of the vape and nicotine strength, it can be much higher. Nicotine can harm the developing brain, affecting a disposable vape is equal to how many cigarettes E cigarettes safer than smoking says long term study UCL News UCL University College London