Confirming the cause requires an imaging study of the brain (MRI) and a brain-wave test (EEG)
These technological developments are driven by consumer demand for authentic, flavorful, and consistent products that mimic the sensory experience of traditional cigarettes without the health drawbacks
But just as they look set to transform the health of smokers, they now face the prospect of greatly increased regulation and even a possible ban from use in public places, with some critics arguing that their health claims have been overstated
Looking at the legal market the policy was a success
The study found that physicians were significantly more likely to recommend e-cigarettes for the heavy smoker while recommending FDA-approved medications, like nicotine gum or lozenges, for the light smoker
many people make several attempts at quitting, experiencing difficulties because of abstinence symptoms, and in the process may gain weight and may require the help of professional doctors and counselors (CDC, 2016b)