The dangers associated with smoking cigarettes include greater risk of heart disease, stroke and lung cancer, according to the Centers for Disease Control and Prevention. Smoking can cause cancer in almost all parts of the body.
Smoking can decrease fertility in men and increase risks for birth defects. Smoking can increase the risk of cataracts and rheumatoid arthritis, notes the Centers for Disease Control and Prevention. Those who smoke are much more likely to develop type 2 diabetes. Smoking can also affect oral health and cause tooth loss. In general, smokers have a greater risk of dying due to health reasons.
Smoking may affect blood vessels and cause them to thicken or narrow. This can cause high blood pressure and blood clots, states the Centers for Disease Control and Prevention. Smoking can be a cause of emphysema and bronchitis. Most cases of lung cancer are a direct result of cigarette smoking. Cigarette smoke can worsen asthma symptoms and damage airways in the lungs.
Some cancers that can occur due to smoking are blood cancer, kidney cancer and colorectal cancers. Smoking can also cause pancreas and stomach cancers. The risk of dying from cancers and related disorders is higher for those who smoke cigarettes.