eli5: Do we have the same neurons all our life?

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As the body does not regenerate neurons and nerve cells, does that technically mean that every brain cell we have are with us for the entire duration of our lives? I can never get my head around this.

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Anonymous 0 Comments

I remember turnover rate is just under 2%. So negative. You get a few hundred every day and rate per day declines as we age. That said there is a use it or lose it component to neurons. They’re very expensive energy wise.

I saw they discovered something they’re calling dark neurons recently. Haven’t looked into it. Question may be complicated by whatever that is.

Brain stuff killed my dad, tried to kill my brother, almost killed me. I’m just well read on the topic.

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