Most of the time, smoking is a sign of social standing
There are many commercial air cleaners on the market with different properties, but a good quality unit typically costs less than $500
Respir Res 7:53 Hirata H, Takahashi A, Kobayashi S, Yonehara S, Sawai H, Okazaki T, Yamamoto K, Sasada M (1998) Caspases are activated in a branched protease cascade and control distinct downstream processes in Fas-induced apoptosis
and Sarah Kowitt, PhD, MPH, postdoctoral research associate, and Leah Ranney, PhD, MA, assistant professor and director of the UNC Tobacco Prevention and Evaluation Program, both in the UNC Department of Family Medicine at the UNC School of Medicine
In other words, exclusive pipe smokers have a 4 to 13 times higher risk of laryngeal cancer compared to individuals who never used tobacco