tobacco causes lung cancer Untitled Document World no tobacco day. Smoking

World no tobacco day. Smoking causing lung cancer. Illustration of human lung and stop smoking sign. Smoking can cause lung cancer Stock Vector Image & Art Alamy Cigarette smoking is the leading risk factor for lung cancer which is the second most common cancer in men in Malaysia. #NCSM #NCSMEdu #NoTobacco Smoking is the number one cause of lung cancer. It causes about 90% of lung cancer cases. Tobacco smoke contains many chemicals that are known to cause lung cancer. If you still The Many Dangers of Tobacco Use UC Davis Biotechnology Program

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