It takes 17 muscles to smile, 43 to frown.
65
Fidgeting can burn about 350 calories a day.
201
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
People who sleep late have more mental stamina and can outperform early risers.
33
The average female will have 3.3 pregnancies in her life.
49
About 400 different kinds of microbes live on and in the human body.
-3
Every year your body replaces 98% of your atoms.
119
The human sigh acts as a physiological reset button.
23