When we touch something, we send a message to our brain at 124 mph
Nerve Impulses travel at over 400 km/hr (249 mi/hr).
If we were capable of hearing frequencies lower than 20 Hz, we would hear the movement of our muscles.
The average red blood cell lives for 120 days.
A Canadian company sells canned air to China.
A woman from Perth, Australia, is able to smell Parkinson’s disease before patients show any symptoms.
Jonas Salk invented the killed-virus polio vaccine in the early 1950s and first tested it on himself and his family. He deliberately did not patent the vaccine.
In 2014, a study found a direct link between the frequency of selfies and the tendency toward psychopathy and narcissism.
Our lungs inhale over two million litres of air every day, without even thinking. Their surface area is large enough to cover one side of a tennis court.
Your body has about 5.6 liters (6 quarts) of blood. This 5.6 liters of blood circulates through the body three times every minute.
A sneeze generates a wind of 166 km/hr (100 mi/hr), and a cough moves out at 100 km/hr (60 mi/hr).
Even if both partners are HIV positive, they still need to use condoms during sex to prevent superinfection (i.e. being infected with a different strain of the virus). A superinfection increases the risk of acquiring drug resistance.
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Your skin works hard. Not only is it the largest organ in the body, but it regulates your temperature and defends against disease and infection.
Until as late as 1986, many doctors worldwide thought that babies could not feel pain. Therefore, many surgeries were performed on infants without anaesthesia.
Skin accounts for a quarter of a hippopotamus’s weight.
Considering all the tissues and cells in your body, 25 million new cells are being produced each second. That's a little less than the population of Canada - every second !
The human body has less muscles in it than a caterpillar.
Until 1948, the non-alcoholic beverage 7 Up contained lithium citrate, a mood-stabilising drug.
The vast majority of modern people have in their DNA between 1% and 4% of Neanderthal DNA.
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Laughing is good for the heart and can increase blood flow by 20 percent.
In 2016, the University of California, USA, published a study which says in short that if you have increasing difficulties to detect sarcasm, you might be developing dementia.
We exercise at least 36 muscles when we smile.
A fetus acquires fingerprints at the age of three months
Etorphine is 3,000 times stronger than morphine. Less than 15 mg of it is enough to immobilise an African elephant.
Our heart beats around 100,00 times every day or about 30 million times in a year.
The foods your mother ate while pregnant with you are likely to influence what your favourite foods will be.
Our eyes can distinguish up to ten million colour surfaces and take in more information than the largest telescope known to man.
In 1987, a US court admitted for the first time DNA as evidence. The United Kingdom followed suit the year after.
There are registered cases of dying of laughter.
Tsetse flies kill about 70,000 people every year.
Beards are the fastest growing hairs on the human body. If the average man never trimmed his beard, it would grow to nearly 30 feet long in his lifetime.
US citizens who lived for more than six months in the UK in the period 1980-1996 are not allowed to donate blood. The reason is mad-cow disease prevention.
Our blood is on a 60,000-mile journey per day.
If you could save all the times your eyes blink in one life time and use them all at once you would see blackness for 1.2 years!
Patients in several US states already have access to telemedicine, which allows consultative, diagnostic and treatment services via live video.
Theoretically, we can “breathe” a liquid enriched with 40% oxygen. Tests with mice in the 1960s were quite promising but no successful experiment with people has yet been reported.
US women are twice as likely to die from pregnancy and childbirth complications as Canadian women.
There are 2.5 trillion (give or take) of red blood cells in your body at any moment. To maintain this number, about two and a half million new ones need to be produced every second by your bone marrow.That's like a new population of the city of Toronto every second.
According to the World Health Organization, hairdressers have increased risk of developing cancer.
In countries where abortions are outlawed, women are 34 times more likely to die of post-operative infections.
Taller and older women give birth to twins more often.
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Exercise will give you more energy, even when you’re tired.
If intoxicated with methanol (contained in low quality alcohol drinks) you might be surprised to learn that the best antidote is ethanol (normal alcohol).
It is technically possible to be born more than once. A baby was “born” twice in Texas, USA, in 2016 after she was taken out of her mother’s uterus for twenty minutes in order for the surgeons to perform life-saving surgery.
There are more living organisms on the skin of a single human being than there are human beings on the surface of the earth.
Over 50,000 Americans get injured in toilets each year.
On average, seven people worldwide are diagnosed with heart cancer each year.
Ascorbic” means “anti-scurvy”. Ascorbic acid in fact effectively prevents the disease.
A woman from Perth, Australia, is able to smell Parkinson’s disease before patients show any symptoms.
Killed soldiers at Waterloo had their teeth extracted. Those very teeth were used as tooth “transplants” Europe-wide in the course of the next few decades.
People in Iceland suffer twice less often from seasonal affective disorder compared to the other Northern countries at the same latitude and nobody knows why.
We make around 1 to 1.6 litres of saliva a day.
Tooth decay is the most common disease worldwide.