Customers can purchase various doses of nicotine ranging from no nicotine to 16 mg (Broadwell "Pros and Cons of E-cigarettes"). Varying strengths allow smokers to gradually cut back and curtail the side effects of nicotine withdrawal. This helps reduce or stop smokers from using real cigarettes. For example, those who switched reported they felt healthier, lost the "smokers hack", have more energy to do activities, and say their breathing was enhanced (Broadwell "Pros and Cons of E-cigarettes"). They have been beneficial in helping to reduce subjective cravings and the number of cigarettes smoked ("Electronic Cigarettes (also known as vapourisers)"
Customers can purchase various doses of nicotine ranging from no nicotine to 16 mg (Broadwell "Pros and Cons of E-cigarettes"). Varying strengths allow smokers to gradually cut back and curtail the side effects of nicotine withdrawal. This helps reduce or stop smokers from using real cigarettes. For example, those who switched reported they felt healthier, lost the "smokers hack", have more energy to do activities, and say their breathing was enhanced (Broadwell "Pros and Cons of E-cigarettes"). They have been beneficial in helping to reduce subjective cravings and the number of cigarettes smoked ("Electronic Cigarettes (also known as vapourisers)"