Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
It takes about 20 seconds for a red blood cell to circle the whole body.
102
Tigers can see 6 times better at night than humans.
305
Obsessive nose picking is called Rhinotillexomania.
101
Every human spent about half an hour as a single cell.
144
The human body contains over a billion miles of DNA.
147