More people use blue toothbrushes, than red ones!
66
20 minutes after smoking a cigarette, blood pressure drops to normal.
37
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
The lense of the eye continues to grow throughout a person's life.
34
The human brain doesn't stop developing until about 25 years old.
102
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
If you unfolded your brain, it would cover an ironing board.
42