is it ok to smoke 2 cigarettes a day Two still risks serious health issues — stay informed Cardiovascular Disease: Even Occasional Smoking

The chemicals in cigarette smoke can damage the structure and function of your blood vessels, increasing your risk of arteriosclerosis, or the buildup of waxy plaque

10.1113/jphysiol.2007.148379 [DOI] [PMC free article] [PubMed] [Google Scholar] Nocchi L., Daly D

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The following is a closer examination of the mechanisms of smoking-induced conditions of the lungs: Tar and Toxins : The smoke that is released by the cigarette causes tar to form a coating on the alveoli (air sacs) that prevents the exchange of oxygen

Teughels W, Van Eldere J, van Steenberghe D, Cassiman JJ, Fives-Taylor P, Quirynen M: Influence of nicotine and cotinine on epithelial colonization by periodontopathogens