Linked from
The 20 pages that link to Tobacco smoking, each with the reason it gives.
Lung cancerRelated: It is the leading cause of lung cancer and contributes to most cases worldwide.
Bladder cancerRelated: Smoking is the leading preventable risk factor for bladder cancer.
DNA adductRelated: Tobacco carcinogens form characteristic DNA adducts in exposed tissues.
IARC Group 1Broader topic: IARC classifies tobacco smoking as carcinogenic to humans.
Oral cancerRelated: Smoking exposes oral tissues to carcinogens that raise cancer risk.
BronchitisRelated: Long-term exposure is a leading cause of chronic bronchitis.
Richard DollRelated: Smoking was the exposure Doll investigated as lung cancer rates climbed.