It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
A human being loses an average of 40 to 100 strands of hair a day.
133
Your thumb is about the same size as your nose.
124
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
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
If you are cold you are more likely to be hungry because you use energy to keep warm.
144
If your DNA was stretched out it would reach to the moon 6,000 times.
256
The human sigh acts as a physiological reset button.
23