The average person's skin weighs twice as much as their brain.
131
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
Every year your body replaces 98% of your atoms.
119
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Poor eyesight (myopia) is associated with higher IQ.
232
Your thumb is about the same size as your nose.
124