It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
In one day, adult lungs move about 10,000 litres of air.
11
The average person's skin weighs twice as much as their brain.
131
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Your body is creating and killing about 2.4 million red blood cells per second.
17
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