A third of the human population sneezes when they look at the Sun. Light can signal the ocular nerve near the sinuses and triggers a sneeze.
18
It takes approximately 12 hours for food to entirely digest.
93
Your body is creating and killing 15 million red blood cells per second!
14
While 7 men in 100 have some form of color blindness, only 1 woman in 1,000 suffers from it.
50
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
"Fish odor syndrome" is a rare genetic disorder that causes people to smell like rotten fish.
5
Ingrown toenails are hereditary.
15
Brain freeze is caused by the brain sensing the drop of temperature on your palate and increasing blood pressure in an attempt to save you from freezing.
14