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Tobacco use is a significant risk factor for various diseases, both for smokers and those exposed to secondhand smoke.
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Tobacco smoke contains numerous carcinogens that can lead to the development of lung cancer. It is the most well-known and deadly consequence of smoking.
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Smoking damages the heart and blood vessels, leading to an increased risk of heart disease, including coronary artery disease, heart attack, and stroke.
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This includes conditions like chronic bronchitis and emphysema. Smoking is the primary cause of COPD, characterized by progressive difficulty in breathing.
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Smoking increases the risk of stroke due to the damage it causes to blood vessels and the heart. It can lead to blockages and reduced blood flow to the brain.
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Smoking can cause or worsen respiratory conditions such as asthma, pneumonia, and tuberculosis. It weakens the lungs' ability to fight infection and reduces respiratory function.
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Tobacco use is linked to various other cancers besides lung cancer, including cancers of the mouth, throat, esophagus, pancreas, bladder, kidney, cervix, and stomach.
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Smokers are at a higher risk of developing type 2 diabetes, and if they already have diabetes, smoking can make it more difficult to control blood sugar levels.
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