Since these products are relatively new compared with cigarettes or chewing tobacco, long-term epidemiological data is limited
The Prospect of Non-Alcoholic Fatty Liver Disease in Adult Patients with Metabolic Syndrome: A Systematic Review
8% of tar and 92% of gaseous elements are composed of mainstream cigarette smoke (17)
They assessed levels of psychological distress in participants using a scale that evaluated their descriptions of feelings of hopelessness, sadness, nervousness, and other negative emotions
measured serum cotinine level and categorized subjects into active smokers/passive smokers/non-smokers in a population of 237 non-pregnant women 18
I dont know how often, but I do think it can. Despite expressing some doubts, teens generally believed that pictorial warnings would be worthwhile even if they did not deter smoking in every case