Scientists estimate that laughing 100 times is equivalent to a 10-minute workout on a rowing machine.
202
10 seconds is the amount of time until unconsciousness after the loss of blood supply to the brain.
108
A person can live without food for about a month, but only about a week without water.
156
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
Fidgeting can burn about 350 calories a day.
201
It takes 17 muscles to smile, 43 to frown.
65
Your skeleton keeps growing until you are about 35, then you start to shrink.
74