Smoking is bad for your colon.
Early
Dayna
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D000236:Adenoma / Q000175:diagnosis / Q000453:epidemiology / Q000209:etiology*; D003113:Colonoscopy; D015179:Colorectal Neoplasms / Q000175:diagnosis / Q000453:epidemiology / Q000209:etiology*; D003937:Diagnosis, Differential; D006801:Humans; D015994:Incidence; D008403:Mass Screening / Q000379:methods*; D012307:Risk Factors; D012907:Smoking / Q000009:adverse effects* / Q000453:epidemiology; D014481:United States / Q000453:epidemiology