The average person who stops smoking requires one hour less sleep a night.
79
Your skeleton keeps growing until you are about 35, then you start to shrink.
74
If you are cold you are more likely to be hungry because you use energy to keep warm.
143
Redheads require up to 20% more anesthesia to be knocked out.
112
The human brain doesn't stop developing until about 25 years old.
102
The lense of the eye continues to grow throughout a person's life.
34
There are 206 bones in the human body!
-17
Your heart rate can rise as much as 30% during a yawn.
69