• Smoking is one of the widespread factors that affect health badly and according to American lung association; smoking is first cause of preventable diseases and death worldwide (1).
Facts about smoking:
• Cigarette smoke contains over 7,000 chemicals, 69 of which are known to cause cancer (2).
• Smoking is directly responsible for approximately 90 percent of lung cancer deaths and approximately 80-90 percent of COPD (emphysema and chronic bronchitis) deaths (3).
• Among adults who have ever smoked, 70% started smoking regularly at age 18 or younger, and 86% at age 21 or younger(4).
• Among current smokers, chronic lung disease accounts for 73 percent of smoking-related conditions. Even among smokers who have quit chronic lung disease
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Smoking increases your risk of dying of heart and blood vessel (cardiovascular) disease, including heart attack and stroke. Even smoking just one to four cigarettes daily increases your risk of heart disease. If you have heart or blood vessel disease, such as heart failure, smoking worsens your condition. However, stopping smoking reduces your risk of having a heart attack by 50 percent in the first year(7)
• Diabetes. Smoking increases insulin resistance, which can set the stage for the development of type 2 diabetes. If you have diabetes, smoking can speed the progress of complications, such as kidney disease and eye problems(7)
• Eye problems. Smoking can increase your risk of serious eye problems such as cataracts and loss of eyesight from macular degeneration(7).
• Infertility and impotence. Smoking increases the risk of infertility in women and the risk of impotence in men.
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• Pregnancy and newborn complications. Mothers who smoke while pregnant face a higher risk of miscarriage, preterm delivery, lower birth weight and sudden infant death syndrome (SIDS) in their newborn(7)
• Cold, flu and other illnesses. Smokers are more prone to respiratory infections, such as colds, flu and