Whether filters are actually providing any health benefit or not is apparently a controversial topic https://theconversation.com/filters-a-cigarette-engineerin

Whether filters are actually providing any health benefit or not is apparently a controversial topic https://theconversation.com/filters-a-cigarette-engineering-hoax-that-harms-both-smokers-and-the-environment-85393 https://theconversation.com/filters-a-cigarette-engineering-... http://www.smh.com.au/national/health/modern-cigarette-filters-increase-the-risk-of-lung-cancer-study-finds-20170525-gwcpbv.html http://www.smh.com.au/national/health/modern-cigarette-filte...