cigarette manufacturing plant Inside the Massive Factory A peek inside Cigarette City,

As you correctly point out, chemical levels in dual users may be similar to normal smokers, but you have to look at actual changes in health

If the Spellcaster is in a charged state, the effect is roughly doubled

However, quitting is possible and it can have huge impacts on your health

Leaving your vape on the charger for 8+ hours stresses the battery and shortens its lifespan

From this analysis, it is quite clear that smoking has both short-term and long-term effects (Smoking effects, 2016)

Looking at population trends over time, the countries with the highest rates of youth e-cigarettes often (though not always) have the largest unprecedented and unexpected (see Healthy People 2020 residue) declines in smoking