20 minutes after smoking a cigarette, blood pressure drops to normal.
37
The human sigh acts as a physiological reset button.
23
Every year your body replaces 98% of your atoms.
119
Music has the ability to repair brain damage and return lost memories.
62
The human body contains over a billion miles of DNA.
147
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62
Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18
A third of the human population sneezes when they look at the Sun. Light can signal the ocular nerve near the sinuses and triggers a sneeze.
18