Hello sir, Please tell me smoke cause Cancer why?

Question

Smoking tobacco one single risk factor responsible for largest number of cancer. More than 40 percent cancers may be tobacco related. Smoke contains carcinogenic substance which gets absorbed in the body to cause not only cancers of lung but also many other cancers like oral cavity, throat, gastro-intestinal cancers like stomach, intestine rectum, bladder etc. Any type of cancer may be caused by smoking tobacco.

Smoking tobacco contains carcinogenic substance causes damage to our genes which control and protect the cells leading to uninhibited growth of cells leading to cancer. It also weakens our body immunity and fighting capacity of our body. 
One must quit cigarette, the killer stick to protect from cancer.

Neetu Singhal · Accepted Answer

Smoking tobacco one single risk factor responsible for largest number of cancer. More than 40 percent cancers may be tobacco related. Smoke contains carcinogenic substance which gets absorbed in the body to cause not only cancers of lung but also many other cancers like oral cavity, throat, gastro-intestinal cancers like stomach, intestine rectum, bladder etc. Any type of cancer may be caused by smoking tobacco.

Smoking tobacco contains carcinogenic substance causes damage to our genes which control and protect the cells leading to uninhibited growth of cells leading to cancer. It also weakens our body immunity and fighting capacity of our body. 
One must quit cigarette, the killer stick to protect from cancer.