A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
A man's beard grows fastest when he anticipates sex.
239
The human brain is more active during sleep than during the day.
28
The average person will go on a date at least 100 times before they finally marry.
33
Gorillas can catch human colds and other illnesses.
205
Enamel is hardest substance in the human body.
61
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99