More people use blue toothbrushes, than red ones!
66
Each nostril of a human being register smell in a different way. Smells that are made from the right nostril are more pleasant than the left.
38
Flu shots only work about 70% of the time.
18
You can alleviate a tickly throat by scratching your ear.
9
Poor eyesight (myopia) is associated with higher IQ.
232
The human brain is insensitive to pain.
76
Due to the angle at which the optic nerve enters the brain, staring at a blue surface during sex greatly increases the intensity of orgasms.
252
The human brain uses approximately as much energy as a 10 watt light bulb.
120