Health Facts

    Health Facts

    Regularly updated list of health and body facts. Learn things about your body and health that you didn't know. Featuring a range of topics, including the human body, medical science, and psychology.

    Sectoral Heterochromia
    Sectoral Heterochromia
    Sectoral heterochromia is an eye condition where one part of the iris appears different to the rest. It's generally a result of excessive pigment.
    60
    Happiness is Contagious
    Happiness is Contagious
    Happiness and stress are contagious; surrounding yourself with happier people will make you happier too.
    78
    Curvy Hips
    Curvy Hips
    According to studies, curvy hips indicate smart women who are more likely to deliver intelligent children.
    333
    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
    Singing Health Benefits
    Singing Health Benefits
    Singing exercises your heart, lungs, and releases endorphins which make you feel good.
    65
    Laron Syndrome
    Laron Syndrome
    There is a genetic disease called Laron syndrome that results in short stature, longer life expectancy, and near immunity to cancer and diabetes - amongst other things.
    36
    Witzelsucht
    Witzelsucht
    There's a neurological condition called Witzelsucht, which causes the affected person to constantly make puns, jokes, and sexual comments in inappropriate situations.
    20
    Benefits of Kindness
    Benefits of Kindness
    Acts of kindness make us happier and healthier.
    56
    Salt Mine Hospital
    Salt Mine Hospital
    In Ukraine, there's a thousand-foot-deep salt mine that is used to treat respiratory ailments. Inside, there is substantially less bacteria in the air than in the most sterile room in a hospital.
    30
    Sperm Made Every Heartbeat
    Sperm Made Every Heartbeat
    The human testicles can produce 1,500 sperm during every heartbeat.
    21
    Stress and Reading
    Stress and Reading
    Researchers have found that reading reduces stress by 68%, more than listening to music or taking a walk.
    39
    Exercise: Makes You More Productive and Happier All Day After Exercising
    Exercising makes you both more productive and happier for the rest of the day. Thanks to the release of brain chemicals, it improves your brain function and memory, and the positive effect lasts for the entire day.
    19
    The Most Toxic Substance Currently Known Is Botox
    The most toxic substance known is botulinum toxin, otherwise known as Botox. One hundred nanograms is enough to kill a fully grown man; 1 kilogram would be enough to wipe out the entire human race.
    17
    Video Games Boost Ability to Learn Motor Skills
    Playing video games like Call of Duty or Assassin's Creed can boost your ability to learn motor skills.
    33
    Grossly Obese Man Didn't Eat for over a Year, Lost 125Kg and Survived
    In 1965, a grossly obese Scotsman survived without eating for 1 year and 17 days. He lived entirely off his copious body fat and lost 125kg with no adverse effects.
    34
    Red, Yellow, and Orange Stimulate Appetite
    The colors red, yellow and orange are not recommended for use in kitchens if you're trying to lose weight as they are known to stimulate appetite.
    5
    Didaskaleinophobia is the fear of going to school.
    Didaskaleinophobia is the fear of going to school.
    26
    Women have a better sense of smell than men.
    Women have a better sense of smell than men.
    5k
    According to a study conducted by the University of South Carolina, Marijuana can be used to reduce inflammation and treat autoimmune diseases such as arthritis, lupus, colitis, and multiple sclerosis.
    25
    There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
    22
    More