Very rare, but possible in heavy smoke To be safe, stay away from areas where people smokeespecially in closed rooms
The lipid layer binds these contaminants and prevents them from reaching the alveoli, where gaseous exchange occurs
How to reduce stains if you vape Professional options depend on what is causing the colour change: Scale, clean and polish for plaque/tartar and surface stains
when smoking duration was substituted for pack years as a dichotomous measure that may approximate childhood smoking, the association between childhood smoking and COPD risk was no longer confounded
Smoking decreases the amount of oxygen your blood delivers to body tissues
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