Wearing tight pants can lead to impotence in men.
120
The right lung takes in more air than the left.
30
Some people have a "natural alarm clock" allowing them to wake up when they want. This is actually caused by a burst of the stress hormone adrenocorticotropin.
15
A human being loses an average of 40 to 100 strands of hair a day.
133
Redheads require more anesthesia to 'go under' than other hair colors do.
50
The chemicals indole and skatole, which help to account for the particular smell of human feces, are used as ingredients in perfume!
-3
The pupil of the eye expands as much as 45 percent when a person looks at something pleasing.
130
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149