Poor eyesight (myopia) is associated with higher IQ.
232
Enamel is hardest substance in the human body.
61
The human body contains over a billion miles of DNA.
147
Chewing gum boosts your brain power.
285
If your DNA was stretched out it would reach to the moon 6,000 times.
256
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149