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Small-Scale Question Sunday for December 4, 2022

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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if you can get your kid eating liver on a regular basis, for example, it's likely that they'll get a bit taller and higher IQ in adulthood.

Huh. I'd never heard of this before (or of any substantial nutritional effect on height other than from calories and calcium, for that matter), but apparently Vitamin A has a decent effect size. On a quick skim it looks like studies are hinting at Vitamin A deficiency being a solvable problem (the effects are seen in poor/malnourished/stunted kids, are seasonal, etc) rather than supernormal Vitamin A levels giving a boost, but maybe a deeper dig would find that too...