It has been said that over 350 million people suffer from Facebook Addiction Disorder.
115
Fingernails grow nearly 4 times faster than toenails.
31
Fingernails grow fastest on the hand you favor.
44
Some people have a "natural alarm clock" allowing them to wake up when they want. This is actually caused by a burst of the stress hormone adrenocorticotropin.
15
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
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
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
