In Brief: Cigar smoke-filled rooms
In Brief
Cigar smoke–filled rooms
A reader wrote us asking for information about secondhand cigar smoke. Her husband has pooh-poohed her concerns that his cigar habit might be bad for her. She wanted to bolster her objections with some facts, so here goes:
Cigar smoke does differ from cigarette smoke. The tobacco used to make cigars is cured differently (air-cured versus air- and heat-cured) and fermented. Cigar tobacco contains more nitrate than cigarette tobacco, so the smoke it produces contains more nitrogen oxide, ammonia, and tobacco-specific nitrosamines, which are especially carcinogenic. Cigar smoke is more alkaline, so the nicotine it contains is absorbed more readily than cigarette smoke. And according to some research, cigar tobacco generates more carbon monoxide, gram for gram, than cigarette tobacco. Researchers have tested the carbon monoxide levels in the homes of cigar smokers and found some in which the concentrations are close to those near the most crowded California highway. Talk about indoor air pollution.
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