So detectability, probably, was not that big of an issue itself. Unless, of course, he got it into his head that Inuit didn't have cancers, and then started ma

So detectability, probably, was not that big of an issue itself. Unless, of course, he got it into his head that Inuit didn't have cancers, and then started making false diagnoses based on that. Look, I don't know how much of this story is true and how much of it is made up. Certainly the part where he's a trained physician seems to have been made up. The part where he examined fifty thousand Inuit plus a significant of westerners per year in between his actual duties as a ship's captain appears to be completely implausible. If this random anecdote is the best evidence we have that living with a traditional Eskimo diet will signficantly lower your chance of cancer, I think it's safe to say that the evidence for the hypothesis is pretty darn pissweak.