what brand of cigarettes are the lightest for health? They don't exist! Eve (cigarette) - Wikipedia

This was designed to equalize pressure and reduce condensation by allowing air to flow freely into and out of the sealed enclosure

And such agencies as the FDA have recognized IQOS as a Modified Risk Tobacco Product, enabling marketing that can depict it as being potentially less harmful than the usual smoking

Among 746,485 smokers enrolled in the American Cancer Prevention Study II, the association between duration and lung cancer mortality (risk ratio for log-transformed years ranging from 3.5 to 16) was exponentially greater than for cigarettes per day (risk ratio for log transformed intensity ranging from 1.4 to 2.6) across strata of age and sex (9)

Another case study reported the same observation for a 16-year-old youth who started using IQOS 2 weeks before hospitalization 111

If there is a reduction in consumption that leads to a reduction in collections, the district will be made whole by the state, said Rob Dubow, Philadelphias director of finance