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Scientists estimate that laughing 100 times is equivalent to a 10-minute workout on a rowing machine.
The levels of two stress hormones, cortisol and epinephrine which suppress the body’s immune system, will actually drop after a dose of laughter.
If your DNA was stretched out it would reach to the moon 6,000 times.
By weight, Bone is five times stronger than steel.
Fidgeting can burn about 350 calories a day.
It is possible for you to survive even after the removal of the spleen, the stomach, one kidney, one lung, 75% of the liver, 80% of the intestines, and almost every organ from the pelvic and groin area.
Smokers get ten times more wrinkles than non-smokers.
A human being loses an average of 40 to 100 strands of hair a day.
A person can live without food for about a month, but only about a week without water.
The human brain uses approximately as much energy as a 10 watt light bulb.
Coughing can cause air to move through your windpipe faster than the speed of sound – over a thousand feet per second!