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Jim the Geek's avatar

In addition to the causes you mentioned, I would speculate that the most frequent cause of shrinking brains now is social media. Fortunately those who have suffered so much brain shrinkage as to be unable to function in normal society, they can find positions in public office. That said, we must be cautious about paying attention to those people, lest their blathering lead to our own brain shrinkage.

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Maria Cross's avatar

Most definitely. And I dread to think what the combination of poor diet and social media is doing to people's brains.

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Kristi Dale's avatar

I appreciate you so much!! Research, sane insights, thoughtful explanations … and a delightful writing style. Thank you for the gift you share with all of us.

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Maria Cross's avatar

Thank you Kristi! I appreciate that.

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Michael Turner's avatar

there are people with questionable brain size who think that giving a feed additive to cattle to stop them burping methane is a good idea.

Love your style Maria.

Merry Christmas

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Maria Cross's avatar

Thank you Michael. Happy New Year

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