Smoking is one of the leading causes of cancer worldwide. Tobacco smoke contains thousands of harmful chemicals, including dozens of proven carcinogens that damage the DNA of the body's cells. As this genetic damage accumulates over time, normal cells may eventually transform into cancerous cells. Although all smokers are exposed to the same carcinogenic substances, the likelihood of developing cancer varies from one individual to another due to several factors. These include genetic differences, the efficiency of the immune system, the body's ability to repair DNA damage, as well as smoking intensity, duration of smoking, lifestyle, and other environmental influences. The [Read More]