Every year your body replaces 98% of your atoms.
119
Enamel is hardest substance in the human body.
61
If you are cold you are more likely to be hungry because you use energy to keep warm.
144
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
-137
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
Poor eyesight (myopia) is associated with higher IQ.
232
Yawns are more contagious among people with closer relationships.
163