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Small-Scale Question Sunday for January 12, 2025

Do you have a dumb question that you're kind of embarrassed to ask in the main thread? Is there something you're just not sure about?

This is your opportunity to ask questions. No question too simple or too silly.

Culture war topics are accepted, and proposals for a better intro post are appreciated.

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Scott linked to a few studies a few years ago. Getting fluoride out of your water ranked at his 3rd tier of "obscure pregnancy interventions" to raise IQ, with very mixed evidence.

1mg/day is what you get from 1.5 liters of typical fluoridated water, so it was a significant exposure increase but not an order of magnitude or anything.