Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
One human hair can support 3 ounces.
191
On average, there's 100 billion neurons in the human brain.
83
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
A human being loses an average of 40 to 100 strands of hair a day.
133
Due to the angle at which the optic nerve enters the brain, staring at a blue surface during sex greatly increases the intensity of orgasms.
252
Our brains have a negativity bias and will remember bad memories more than good ones.
15
We share 70% of our DNA with a slug.
218