how does tobacco smoke affect the lungs Cigarette Smoking and your Health Smoker's lungs vs. healthy lungs:

For all the pluses, there are the minuses, and it comes back to the middle

Smoking causes cancer, heart disease, stroke, lung diseases, diabetes, and chronic obstructive pulmonary disease (COPD), which includes emphysema and chronic bronchitis. Given the negative health considerations connected with smoking and the associated increased mortality, it is understandable that insurance companies consider smoking/tobacco status when evaluating an application for life insurance coverage

Capsaicin (Topical route)

Jimmy does go to apologize to Chuck for his trickery, but Chuck tells him to stop apologizing/showing remorse and to embrace what he is, to essentially go full-on Saul Goodman

Myth 3: Carbon filters make smoking harmless. This is not true