Word: acrolein
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...components of smoke that paralyze the cilia, and are therefore important in bronchitis and related diseases, are largely carbolic and other acids. A proportion of these (up to 90% in the case of phenol) can be removed by cellulose acetate filters. Other cilia-damaging components, such as acetaldehyde and acrolein, are cut down by an activated charcoal filter, especially if the charcoal is compressed. A still better way, said Wynder and Hoffmann, is to filter the smoke through water and then through compressed charcoal, but so far this is not practicable -except, conceivably, in homes with filter-tipped hookahs...
...cause of lung cancer is still unknown, but there is clinical evidence linking cancer with foreign matter in the respiratory system. Cilia are thin hairs that prevent such particles from lodging in the tract. The charcoal granules in the compartmentalised Lark filter adsorb such gases as hydrogen, cyanide, formaldehyde, acrolein, and ammonia, which interfere with this process...
...valuable lesson in public health: disease can be transmitted by polluted water. In the years since, along with his progress in sanitation and health, man has picked up new ways of polluting his environment. The new, more subtle contaminants bear such exotic names as alkyl benzene solfonate and acrolein, and they differ in one major respect from the contaminants of a century and a half ago. They are man-made-the undesirable byproducts of technological progress...
...them added impetus, President McKitterick speeded up research on a hygroscopic agent called diethylene glycol. A hygroscopic agent is what attracts and retains moisture in tobacco. Most cigarets use glycerin. Chemists discovered, however, that when diethylene glycol is burned, unlike glycerin, it does not give off an irritant called acrolein. That was a neat find indeed, and it promptly went into Philip Morris advertising, though Philip Morris claimed that it had been using the agent all along...
Great was the relief of pharmacologists, therefore, when President McKitterick withdrew the acrolein advertising story pending further experiments, which are still going on. Sole use now of the diethylene glycol angle is among doctors. In some 40 medical journals, and there only, Philip Morris runs quiet advertising about its hygroscopic agent. At every big medical convention Philip Morris salesmen pass out packs to the delegates, discuss cigaret pharmacology with them in learned language...
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