According to many vapers' feedback, health electronic cigarette smoke or not, 90 percent are dependent on oil, as oil smoke, certainly harmful, but compared to cigarettes, the electronic cigarette harm is quite low, smoke oil which contains the main ingredient propylene glycol, vegetable glycerin and nicotine, propylene glycol and glycerin throat irritation, but toxic, nicotine is addictive, causes no reports of major diseases, and for cigarettes, the biggest harm of tar, which contains a lot of carcinogens many people in pursuit of the big smoke, will try to choose high VG smoke oil, in fact, more oil this smoke damage to the atomizer, but somewhat lacking in taste. So in order to make up for the taste, the choice of smoke oil connection, you seem to be some concessions on the amount of smoke. Aspire Nautilus Mini with BVC coils really does a good job on flavor production and to avoid burnt taste and sustain the good performance on taste, recommend not firing your atomizer over 15 watts.