The headline is broadly defensible, but the qualifications matter. Effect sizes vary by population, the strongest claims rest on shorter trials, and credible voices push back on how it's typically framed.
Which means that we all have the capacity to grow a bigger, fatter, fluffier hippocampus. And so what I like to give people is this image of every single time you move your body, it's like giving your brain this wonderful bubble bath of neurochemicals, what's going on, I need my bubble bath of noradrenaline, and dopamine, and serotonin, and growth factors. And with regular bubble baths, what am I doing? I'm growing a big fat, fluffy hippocampus.
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Native comments, Twitter mentions, and Reddit threads about this claim — surfaced together so the conversation isn't fragmented across platforms.
Bookmarking — the dossier-vs-overview split is the right call. Most of the time I want overview; sometimes I want receipts.
Would love a "what would change this verdict" RSS feed. Sign me up if it exists.
the thing that gets released also particularly with aerobic exercise is a growth factor called um brain derived neurotrphic factor or BDNF and that is so important because what it does is it goes directly to your hippocampus and it helps brand new brain cells grow in in your hippocampus.