Random Human Body Facts

    45 facts tagged with Human Body Facts

    Enamel is hardest substance in the human body.
    61
    Yawns are more contagious among people with closer relationships.
    163
    After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
    55
    Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
    92
    The human body contains over a billion miles of DNA.
    147