Health Facts

    Random Health Facts

    There are 273 Health Facts!

    A third of the human population sneezes when they look at the Sun. Light can signal the ocular nerve near the sinuses and triggers a sneeze.
    18
    Hypnic Jerk
    Hypnic Jerk
    When you wake up with a jolt, it's called a Hypnic Jerk. This usually happens during the lightest stages of sleep, and can happen as a natural reaction when you fall asleep in a car or airplane.
    35
    A woman's sense of smell is most sensitive during ovulation.
    34
    The pupil of the eye expands as much as 45 percent when a person looks at something pleasing.
    130
    Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
    13
    Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
    93
    An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
    73
    When you look up at the blue sky and see white dots flying around, you’re actually seeing your own white blood cells.
    30