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The Impact of Smoking on Lung Cancer Risk.

Richard Daniel

Smoking is a well-established risk factor for lung cancer. Studies have shown that smokers are 15-30 times more likely to develop lung cancer compared to non-smokers. The chemicals in tobacco smoke cause damage to DNA and other genetic material in cells, leading to mutations that can trigger the development of lung cancer. Additionally, smoking can weaken the immune system and make it harder for the body to fight off cancer cells. The impact of smoking on lung cancer risk highlights the importance of smoking cessation and prevention programs to reduce the incidence of this disease.