Your thumb is about the same size as your nose.
124
The average tastebud lives only 10 days before it dies and is replaced by a new one.
15
Every cigarette smoked cuts at least five minutes of life on average, which is roughly the time it takes to smoke one cigarette.
118
Lack of water is the #1 trigger of daytime fatigue.
148
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
Enamel is hardest substance in the human body.
61
Pain occurs when sounds are above 130 db.
124
From the age of thirty, humans gradually begin to shrink in size.
1