Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190
Your ears secrete more earwax when you are afraid than when you aren't.
235
Wearing tight pants can lead to impotence in men.
120
A human being loses an average of 40 to 100 strands of hair a day.
133
If your stomach didn't produce a new layer of mucous every two weeks, it would digest itself.
33
The human brain is insensitive to pain.
76