A man's beard grows fastest when he anticipates sex.
239
A third of the human population sneezes when they look at the Sun. Light can signal the ocular nerve near the sinuses and triggers a sneeze.
18
If your DNA was stretched out it would reach to the moon 6,000 times.
256
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31
Enamel is hardest substance in the human body.
61
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92