Random Brain Facts

    56 facts tagged with Brain Facts

    The adult human brain weighs about 3 pounds (1,300-1,400 g).
    99
    After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
    55
    On average, there's 100 billion neurons in the human brain.
    83
    The brain can stay alive for 4 to 6 minutes without oxygen. After that cells begin die.
    193
    Starfish don't have brains.
    132