After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
55
The human brain uses approximately as much energy as a 10 watt light bulb.
120
Enamel is hardest substance in the human body.
61
When you take a step, you are using up to 200 muscles.
886
Your thumb is about the same size as your nose.
124
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
Poor eyesight (myopia) is associated with higher IQ.
232
The human brain doesn't stop developing until about 25 years old.
102