If your DNA was stretched out it would reach to the moon 6,000 times.
256
Our Right Lungs takes more air than our left lung.
194
Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190
Yawns are more contagious among people with closer relationships.
163
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
-137
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
The average sperm cell swims at 8 inches per hour.
76
Enamel is hardest substance in the human body.
61