It's definitely a thing—that is to say, I've seen quite a bit of chatter about the purported evils of "seed oils", but I've never learned what the problem is supposedly. This might have something to do with scares raised about erucic acid esters being found specifically in canola oil, which is by far the most common "seed oil" in use.

#seed-oils #health-scares #erucic-acid #canola-oil