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tobacco market is worth around $100 billion), and over half of U.S
Whiskers and subtle fading
Lechner WV, Murphy CM, Colby SM, Janssen T, Rogers ML, Jackson KM
Holly Middlekauff, a professor of cardiology and physiology at the David Geffen School of Medicine at UCLA
Authors suggests that filter ventilation has contributed clearly to the rise in lung adenocarcinomas among smokers and they concluded that as the Food and Drug Administration in the United States has now the authority to regulate cigarette design, they should consider regulating its use, up to and including a ban.11,12 On the other hand, and speaking about second hand smoking and under similar smoking conditions, filter-tipped cigarettes will have lower mainstream smoke yields than their untipped analogues,13 and it has been observed that his toxicity is not different in cigarettes with or without filters.14 Of course, sidestream smoke yields will not vary greatly, because they reflect the weight of tobacco burned during smouldering.13 Filters that are butts
