The brain receives 20% of the body’s oxygen and 25% of total body glucose utilization, despite it accounting for only 2% of a person’s weight (about 1.4 kilograms).
8
You see your nose at all times, your brain just chooses to ignore it.
30
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
The human sigh acts as a physiological reset button.
23
The human brain uses approximately as much energy as a 10 watt light bulb.
120
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
If you hold farts in during the day, they'll just come out when you sleep.
16
In 1996, research found that having excessive body hair is linked to higher intelligence.
23