A member asked:

Could an endoscopy detect smoking?

A doctor has provided 1 answer

No: Endoscopy is meant to look at the anatomy of the esophagus, stomach and duodenum (or the colon, using a different kind of scope). Smoking may cause changes in the mucosal lining, including inflammation (gastritis, duodenitis, esophagitis) but these aren't specific to smoking. Smoking is 'detected' by history, smell of tobacco smoke on patients, and sometimes urine cotinine (nicotine's metabolite).

Answered 12/23/2020

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