smoke some cigarettes always sunny 10 Things That Seem Very Strange About The 'It's Always Sunny In Philadelphia' Pilot Eating Cake and Smoking: The

If someone breaks the rules and smokes, the ashtray provides a safe place to extinguish the cigarette instead of throwing it in the trash, which could start a fire

Plos One 10 , e0116861 (2015)

In the literature, some prospective studies found a lower weight gain among participants who started smoking,25 others found a lower gain in black people but no differences for white people,26 while others found a higher gain in participants who started smoking.27 In our study, participants who smoked at baseline and were still smoking at follow-up had a greater weight gain than those who had never smoked

showed that e-cigarette exposure disrupted lipid homeostasis in alveolar macrophages, leading to the accumulation of lipid-laden macrophages with reduced capacity for pathogen clearance, independent of nicotine content (61)