Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
Our brains have a negativity bias and will remember bad memories more than good ones.
15
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
199
You can't tickle yourself.
29
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
The human brain uses approximately as much energy as a 10 watt light bulb.
120

Mushrooms are more closely related to humans than they are to plants.
47