In 1996, research found that having excessive body hair is linked to higher intelligence.
23
The aorta, the largest artery in the body, is almost the diameter of a garden hose.
37
Enamel is hardest substance in the human body.
61
The average human body contains enough iron to make a small nail.
50
Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
The lense of the eye continues to grow throughout a person's life.
34

