Half of all Americans over the age of 55 have no teeth.
39
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
Senegalese women spend an average of 17.5 hours a week just collecting water.
27
Babies' eyes do not produce tears until the baby is approximately six to eight weeks old.
58
Most of the world's people must walk at least 3 hours to fetch water!
38
Women have a slightly higher average IQ than men.
164
The first man to swim the length of Great Britain grew a beard to stop jellyfish stinging his face.
16