The brain can stay alive for 4 to 6 minutes without oxygen. After that cells begin die.
193
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
Fidgeting can burn about 350 calories a day.
201
Your body is creating and killing about 2.4 million red blood cells per second.
17
The right lung takes in more air than the left.
30
Chewing gum boosts your brain power.
285
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15