Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
One human hair can support 3 ounces.
191
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
Poor eyesight (myopia) is associated with higher IQ.
232
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190
When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
46