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The guys at https://slimemoldtimemold.com were interested in a PFAS theory of obesity, but they seem to have moved onto lithium as a greater area of focus.

My counterfactual: wouldn't you expect ski shop workers to become super obese? They're exposed to huge amounts of PFAS in ski wax.

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Ski shop people tend to be super active in sports, that may negate negative effects of PFAS.

>A doubling in plasma PFOA was associated with an increase in weight at 26 weeks by 1.50 kg (95% CI: 0.88–2.11), with an increase of 0.91 kg (95% CI: 0.54–1.27) for PFHxS, independent of diet groups and sex.

That's not a huge difference, so it might even be happening for all we know.

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