Smoking Is often associated with lung problems, but its impact on the heart can be just as serious. Tobacco smoke contains toxic substances that can affect {blood vessels|arteries|, blood pressure, oxygen levels, and the way blood clots. The alarming part is that these changes may begin quietly, even when you https://sites.google.com/view/heartdoctoramit/blog/how-does-smoking-damage-your-heart-before-you-notice-any-symptoms