Nicotine e-cigarettes appear to outperform traditional quit-smoking tools like patches and gum, with strong evidence showing higher success rates. Credit: Shutterstock A comprehensive review of global research on smoking cessation suggests that e-cigarettes containing nicotine may help more people quit smoking than other commonly used methods. These include nicotine replacement therapy (nicotine patches, gum, lozenges, etc.) as well as non-nicotine e-cigarettes and behavioral support programs.