If you are cold you are more likely to be hungry because you use energy to keep warm.
143
Fidgeting can burn about 350 calories a day.
201
You have no sense of smell when you're sleeping!
72
It takes 17 muscles to smile, 43 to frown.
65
The brain can stay alive for 4 to 6 minutes without oxygen. After that cells begin die.
193
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
10 seconds is the amount of time until unconsciousness after the loss of blood supply to the brain.
108