The nicotine dosage of these refills, 20 mg/ml, is adapted to the withdrawal needs of smokers, and offers a hit equivalent to a conventional cigarette
Ultimately, the decision rests on individual preferences, cultural affiliations, and health considerations.
Instead of combusting tobacco leaves to produce the thick, pungent smoke of cigarettes, e-cigarettes (also know as e-cigs or electronic cigarettes) use pure pharmaceutical-grade nicotine which is heated to produce a vapor
The production process includes stem and vein separation, leaf aging up to two years, moisture conditioning using steam and water, cutting to a uniform size, and rotary drying
Monitoring: : Comprehensive smoke-free legislation is currently in place for almost 1.5 billion people in 55 countries