Key substances include: Tar : A sticky residue that coats the throat and lungs, contributing to irritation and impaired airway function Carbon monoxide : Reduces oxygen delivery in the body, placing stress on respiratory tissues Formaldehyde : An irritant that can cause burning sensations and inflammation in the throat Ammonia : Enhances nicotine absorption but also irritates the mucous membranes, causing chronic inflammation Acrolein : Damages the airway lining and contributes to inflammation These chemicals from tobacco smoke can disrupt normal respiratory function, increase sensitivity, and promote ongoing throat irritation with repeated exposure
10.1177/0091270008315316 [iii] Stokes AC, Xie W, Wilson AE, et al.: Association of cigarette and electronic cigarette use patterns with levels of inflammatory and oxidative stress biomarkers among US adults: Population Assessment of Tobacco and Health study
The book is available from the Simon & Schuster website for $20 in paperback
adults who admit to smoking has steadily declined since the 1940s and 1950s and has dropped sharply since the beginning of the 21st century
The comments are in Portuguese, as is the caption, though the hashtags are in English