9 harmful, life-threatening diseases caused by smoking

By Namita S Kalla | March 12, 2025

9 harmful, life-threatening diseases caused by smoking

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–Cigarette smoking is the leading cause of lung cancer, responsible for approximately 85% of cases. It damages lung tissue, causing tumors 

Lung cancer

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It increases the risk of coronary heart disease. It narrows blood vessels, raises blood pressure, and contributes to plaque buildup in arteries

Heart disease

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Chronic obstructive pulmonary disease, including emphysema and chronic bronchitis, is a respiratory illness caused by smoking

COPD

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Smoking damages blood vessels and increases the risk of stroke. It raises blood pressure and causes plaque buildup in arteries

Stroke

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Cigarette smoking increases the risk of developing type 2 diabetes. It impairs insulin sensitivity

Diabetes

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– Smoking weakens bones by reducing bone density, leading to osteoporosis. Also, smokers are at a higher risk of fractures

Osteoporosis

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– The carcinogens in tobacco smoke directly affect the cells in the mouth, throat, and larynx, leading to an increased risk of cancer 

Mouth, throat cancer

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– Pregnant women who smoke risk premature delivery, low birth weight, and complications such as stillbirth and ectopic pregnancy

Pregnancy problems

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– Cigarette smoking impairs immune function, making smokers more susceptible to infections and inflammation

Weak immunity

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