WTF Fun Fact – More Neurons As An Embryo

At the time of birth, a baby’s brain has roughly 100 billion neurons, but it began with nearly twice as many as an embryo. Starting in the third trimester, the brain eliminates unnecessary neurons via a process known as apoptosis. – WTF Fun Facts



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1 thought on “WTF Fun Fact – More Neurons As An Embryo”

  1. What interesting information! i wonder if that process may sometimes lead to little accidents where some neurological conditions may arise – such as learning difficulties, ADHD, autisim spectrum disorder, or propensity for bad mental health, after nature’s overzealous ‘shedding’ (for want of a better word) of neurons – & if genetics might play a part in the process.


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