Your heart rate can rise as much as 30% during a yawn.
69
The smallest human penis ever recorded was just 5/8 of an inch long!
77
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
Deep Breathing gives you health benefits similar to aerobics.
39
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
You have no sense of smell when you're sleeping!
72
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193