Checks out, really.

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[–] 16 points 6 days ago

I don't think this is new information at all. It's long been known that say rats put in a stimulating environment have more developed brains, more grey matter, and a higher intellect, than ones kept in a boring enclosure.

What is in question, is how much of that drop in mental ability is from particulate matter and such, which is something it does do, and how much from just not thinking?

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