It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
The average person will go on a date at least 100 times before they finally marry.
33
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
Our brains have a negativity bias and will remember bad memories more than good ones.
15
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
Poor eyesight (myopia) is associated with higher IQ.
232