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They’ve been advocating heavy metals for a while. IT’s a really bizarre infatuation, but far enough from reality that it’s unlikely to make any difference and harm anyone.

It’s interesting in that I can’t think of any political or cultural conflict it ties into? They just enjoy their daily cadmium, it appears.

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It isn't motivated politically. It just seems to be true and declaring them toxic seems like an error.

Anyway, give me a better explanation why people don't look like they did only a few decades ago.

Are you talking about the obesity epidemic? There was a recent paper discussed on HN talking about how it was probably an environmental change, but I don’t think they mentioned heavy metals. I think they mentioned plastics and lithium as possibilities. Was lead widespread in the environment before the 20th century? I don’t remember pre-20th century photographs showing widespread obesity.

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