Smoking Is often associated with breathing trouble, but its impact on the heart can be far more severe. Tobacco smoke contains toxic substances that can affect {blood vessels|arteries|, blood pressure, oxygen levels, and the way blood clots. The concerning part is that these changes may begin quietly, even when you https://telegra.ph/How-Does-Smoking-Damage-Your-Heart-Before-You-Notice-Any-Symptoms-09-14-3