Cigarette filters, introduced decades ago to reduce the amount of tar smokers inhale, also alter other properties of smoke and smoking in a way that raises the risk of lung cancer, researchers say. In ...

As far back as 1957, seven years after filter cigarettes were introduced, the Philip Morris company was warned that the filters could release harmful substances when smokers inhaled. Apparently, the ...

Recent changes in the histology of lung cancer, namely a relative increase of adenocarcinoma compared to squamous cell carcinoma, might be due to a temporal shift from nonfilter to filter cigarettes.

Cigarette filters are the world’s most common form of litter. Researchers from the University of Gothenburg can now show that the filters leak thousands of toxins and plastic fibres that are toxic to ...

This applies to all cigarettes, because almost all the cigarettes on the market have the holes, not just the ones that used to be called lights and ultra-lights Cigarette filters, introduced decades ...