The average human body contains enough iron to make a small nail.
50
The average person who stops smoking requires one hour less sleep a night.
79
Your tongue is the only muscle in your body that is attached at only one end.
173
Banging your head against a wall uses 150 calories an hour.
57
Human teeth are almost as hard as rocks!
47
One or two alcohol drinks a day can be anti-inflammatory.
75