From when Zuckerberg was 19: A normal person's prefrontal cortex (rational brain) is underdeveloped at that age, and is only fully developed at about 25 or eve

From when Zuckerberg was 19: A normal person's prefrontal cortex (rational brain) is underdeveloped at that age, and is only fully developed at about 25 or even 30 [1]. I had more to say about this a few days ago [2], as did dang [3]. [1] https://mentalhealthdaily.com/2015/02/18/at-what-age-is-the-brain-fully-developed/ https://mentalhealthdaily.com/2015/02/18/at-what-age-is-the-... [2] https://news.ycombinator.com/item?id=16661868 https://news.ycombinator.com/item?id=16661868 [3] https://news.ycombinator.com/item?id=16616988 https://news.ycombinator.com/item?id=16616988