You mostly breathe from only one nostril at a time!
75
About half of all Americans are on a diet on any given day.
29
Your ears secrete more earwax when you are afraid than when you aren't.
235
Research indicates that babies who suck on pacifiers are more prone to ear aches.
21
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
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
Pain occurs when sounds are above 130 db.
123
If you were to roll a lung from a human body and out flat it would be the size of a tennis court.
36