It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190
One human hair can support 3 ounces.
191
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
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
The human brain uses approximately as much energy as a 10 watt light bulb.
120
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92