Activated carbon filters may reduce some tar, but how much depends on: The amount of carbon in the filter The size and design of the filter Airflow and how tightly smoke is pulled through How hot the smoke is How fast a person inhales Carbon filters often include other materials too, like paper or fiber, which can also catch particles
As for heated tobacco products, compared to 2018, smokers who say they have never tried them have decreased by 12 percentage points (from 75% to 62.7%), consequently, Italians who have only tried them are on the rise (from 19% to 22.2%) and, even more, those who have used them (more than doubled compared to 2018) and those who use them regularly (4%), which tripled compared to the previous survey, when they stopped at 1.2%
Links have been made between acrolein in cigarette smoke and the development of lung cancers, though no there is no current scientific evidence that it is a carcinogen in humans
Sending a package through the post office is always a reliable option
Natural flavours and carefully processed tobaccos - Doctor Pipe pipe tobacco from Brazil
