Only pee, poop, and toilet paper are safe
The study confirmed that attaching a filter to any of the fans caused some heat generation on the interior and exterior surfaces, but this heat did not exceed acceptable levels or create a risk of burns, melting, or ignition, even under the most extreme conditions
But the move has also angered manufacturers, who claim they have never promoted the products' anti-smoking qualities
Cullman III, head of Philip Morris, promised, on behalf of the nine leading cigarette manufacturers in the country, to end all cigarette advertising on radio and television not by the 1973 deadline proposed by the broadcasters but by September, 1970
During smoking, the smoke settles in the lungs, irritates them and creates inflammation that later leads to more and more diseases, beyond the cough or phlegm that some people experience immediately, he says