Ellie has now contacted the manufacturer of the device
Once you see significant tar buildup, discard the used filter and replace it with a new one
The research and development on new products now are on flavor stability and the development of synthetic nicotine to avoid or mitigate some regulatory frameworks
As far as articles for 2024 are concerned, I have a couple of ideas gestating, although nothing firmed up at this stage, Watch this space folks
For chrysotile-only exposures, most notably the Canadian chrysotile miners and millers, and exposure to friction products, 200 fiber-years, and for other chrysotile-only exposure, 100 fiber years
To avoid reactions, wash your new clothes before you wear them