Im resigned to their 20+% failure rate (of each box of 5 cartridges, at least 1 does not work)
There is not yet enough evidence to say definitively whether there is a lower risk from these products compared to normal cigarettes
However, delays in medical encounter data submission do not explain all of the discrepancies we identified
The change in brain development and learning pathways can also increase other reward seeking behaviour and may lead to the use of other drugs or alcohol
For example: That's an oddly specific number of physicians
Department of Health and Human Services, Centers for Disease Control and Prevention, National Center for Chronic Disease Prevention and Health Promotion, Office on Smoking and Health, Atlanta, GA USEPA (1991) US Environmental Protection Agency