ON the left you see healthy lungs, and on the right smoker's lungs. The good thing is the lungs start to clean themselves when you stop smoking. Tobacco contains more than 1000 chemicals. This include nicotine, tar, carbon monoxide carcinogens and poisons. Some of the poisons are highlighted in this picture.
You can imagine what effect these things have on your body. Nicotine causes addiction. The cardiovascular system is greatly effected. This can include blood clots, pneumonia, heart attack stroke, chest pain, high blood pressure, etc Also the addiction results in withdrawal symptoms. Risk of cancer is increased, most often in the lungs but also in the esophagus pancreas and other organs. The reproductive system is also effected. However, as mentioned above, quitting tobacco can result in almost immediate benefits.
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