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
There are about 1,400 different species of bacteria in your belly button.
10
If you are cold you are more likely to be hungry because you use energy to keep warm.
144
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
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
There's 100 trillion good bacteria living in your body.
17
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
46