  | 
    
       
      
        
            | 
          Overview | 
          Cancer
              epidemiology | 
         
        
            | 
         
        
          | Smoking | 
          Tobacco history 
      Lung cancer epidemic (Phillip Dennis) 
      Killers in smoke 
"Smoking gun" 
      K-ras 
      p53 
      Nicotine connection (Phillip Dennis) 
      Prevention (Phillip Dennis, Glorian Sorenson) | 
         
        
            | 
         
        
          | Inheritance | 
          Cancer gene
              types (Bert
                Vogelstein) 
      Colon cancer (Bert Vogelstein) 
      Many steps to cancer (Bert Vogelstein) | 
         
        
            | 
         
        
          | Diet | 
          Diet and Cancer (William Nelson) 
      Cause (William Nelson) 
      Prevention (William Nelson, Walter Willett ) | 
         
        
            | 
         
        
          | Mold | 
          Aflatoxin (John Groopman, Thomas Kensler) 
      Incidence (John Groopman) 
      Aflatoxin action (Thomas Kensler) 
      Prevention (Thomas Kensler) | 
         
        
            | 
         
        
          | Viruses | 
          HPV(Bettie
                Steinberg, Denise Galloway) 
      HPV and cell cycle (Ed Harlow) | 
         
        
            | 
         
        
          | Sunlight | 
          (Marianne Berwick) | 
         
             
       
      
       
        
	    
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