"Most are made from cellulose acetate fibres, and added chemicals which make the plastic more flexible, called plasticisers, may also be leaching out and adversely affecting the early stages of plant development." This Author Nina Massey is the PA science correspondent.
Nevertheless, the FDA has been satisfied with the evidence for developing modified risk products like the IQOS system, which could bode well for other products like e-cigarettes being authorized to simply stay on the market, ensuring smokers can choose to switch how they consume nicotine.
Similarly, in a tax increase, some of the reduction in total cigarette consumption may include a reduction in cigarettes due to a reduction in the number of smokers, but it will also include the reduction in cigarettes smoked by existing smokers
All this risk aside, however, the vaping market remains largely unregulated, particularly when it comes to flavourings