They are sometimes called unfiltered cigarettes & historically were sold without the filter tip that was a standard from the 1950s onward
During the entire data collection, it was the first author who conceived the study who wore the backpack with equipment and was thus most exposed to tobacco smoke
The extreme heat leads to hyperkeratosis or thickening of the tissue similar to a skin callus and is not regarded as being premalignant
Whilst I appreciate that CRUK have to be very considerate in terms of any position they take, and to be cautious with any statements to that effect, I do think it would to the Public Health community at large a world of good if they were to stop focusing entirely on statistical and chemical measurements, and actually *speak* to users of these devices and see the massive difference they make to their quality of life, and factor that into their studies and positions and without wishing to get to morbid, Im sure that quality of life is something CRUK would be familiar with for many of those it works with/for, and is not something that youd discount lightly
"We are seeing more seizures, more arrests, more store closures