The levels of two stress hormones, cortisol and epinephrine which suppress the body's immune system, will actually drop after a dose of laughter.
112
A person can live without food for about a month, but only about a week without water.
156
All humans have the ability to see ultraviolet light, but it is passively filtered out by the eye's lens. People who undergo surgery to remove the lens can detect ultraviolet light.
22
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
21
