Question

what is the main cause of lungs cancer?

Answer 1

Gene mutations that occur after birth. Most gene mutations occur after you're born and aren't inherited. A number of forces can cause gene mutations, such as smoking, radiation, viruses, cancer-causing chemicals , obesity, hormones, chronic inflammation and a lack of exercise.


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Answer 2

Mainly by smoking cigarettes everyday pack after pack. But that's not all of cause of lung cancer. Lung cancer can cause in many ways. Causes of smoking cigarette, obesity, chronic disease, coal mining, firefighter, lack of exercise, inhaling second hand smoke, mom is pregnant and smoking possible for the baby to have lung cancer while growing after birth or lung disease, being around of smoke like road construction, and etc.