Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190
Your heart will pump about 212 million liters in its lifetime.
26
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
Enamel is hardest substance in the human body.
61
Every year your body replaces 98% of your atoms.
119
Chewing gum boosts your brain power.
285
The human brain doesn't stop developing until about 25 years old.
102