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I agree with you about observational studies when I wrote in the grandparent: > Agree that observational and self-reporting are inaccurate, though unfortunate

by kareemm 12y ago

I agree with you about observational studies when I wrote in the grandparent: > Agree that observational and self-reporting are inaccurate, though unfortunately they're some of the best data we've got wrt nutrition.

MDS100 12y ago
They are not the best data. It's just too widely used.