Random Brain Facts

    56 facts tagged with Brain Facts

    After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
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    On average, there's 300 billion neurons in the octopus brain.
    129
    There are more nerve cells in the human brain than there are stars in the Milky Way.
    349
    Chocolate is associated with the release of serotonin, the hormone that makes you feel relaxed, calm, and happy.
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