There's 100 trillion good bacteria living in your body.
17
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
Men have larger hearts; women's hearts beat faster.
77
The human brain uses approximately as much energy as a 10 watt light bulb.
120
Laughing could dramatically improve your health – and be as good for you as a deep state of meditation, researchers have found.
28
Every hour one billion cells in the body must be replaced.
17
It takes about 20 seconds for a red blood cell to circle the whole body.
102