Almost all the organs of your body get adversely affected by smoking.
Cigarette smoke causes so much damage to your bodies. Though nicotine itself is not carcinogenic the highly addictive drugs are toxic. Along with nicotine lethal is there in large doses. Tobacco smoke contains dangerous metals such as arsenic, lead and cadmium which are known to cause cancer. Smokers have a much higher risk of developing of life threatening diseases. These diseases can be any cancer such as that of bladder, bone marrow, cervix, esophagus, kidney, lung, liver, lip, mouth, nose, nasal sinus , pancreas , stomach , tongue, throat and of voice box.
Heart disease like coronary artery disease and heart attack are very common in smokers. Smoking not only affects the heart but every part of your circulatory system. Nicotine constricts the blood vessels which in turn causes high blood pressure. It increases your heart rate which puts an extra stress on your heart. The lining of the blood vessels get damaged. This allows more fat deposits that is a significant cause of arteriosclerosis which hardens the arteries.
Decrease circulations due to smoking may causes impotence to male smokers. A smoker always takes more time to recover from infections than a non-smoker. The smoker is more vulnerable to minor infections because of impaired immune systems. The kidneys get damaged due to high blood pressure caused by smoking. Smoking leads to increased stomach acid secretion that causes ulcers and heartburn.
Cigarette smoking decreases bone density that promotes osteoporosis. Skin loses its elasticity and becomes dry. Inflammation and Irritation of the intestines and stomach are commonly occurring problems of smokers.
Smoking during pregnancy exposes a baby to carbon monoxide, which limits the baby's supply of oxygen and nutrients. Exposure to nicotine also increases a baby's heart rate and reduces fetal breathing movements.
Tobacco smoke contains more than 70 different cancer-causing substances. When you inhale smoke, these chemicals enter your lungs and spread around the rest of your body. Scientists have shown that these chemicals can damage DNA and change important genes. This causes cancer by making your cells grow and multiply out of control. Giving up smoking makes a difference. Clearly, giving up smoking saves lives.
Cigarette smoking increases the risk for many types of cancer. Rates of cancers related to cigarette smoking vary widely among members of racial/ethnic groups. Compared to nonsmokers, men who smoke are about 23 times more likely to develop lung cancer and women who smoke are about 13 times more likely. Smoking causes about 90% of lung cancer deaths in men and almost 80% in women.