Human #brain is two separate organs, Stanford Medicine-led research finds A new study found brain is two separate organs adjacent to one another. Finding could aid research into #neurological diseases. Human brain consists of two ancient nervous systems packaged together — more primitive part that regulates our hearts’ beating, our breathing and other functions, and another that makes us distinctly human, capable of poetry, mathematics and wondering about our own origins. https://med.stanford.edu/news/all-news/2026/09/two-separate-brains.html