The pupil of the eye expands as much as 45 percent when a person looks at something pleasing.
130
Human teeth are almost as hard as rocks!
47
Your heart rate can rise as much as 30% during a yawn.
69
Every cigarette smoked cuts at least five minutes of life on average, which is roughly the time it takes to smoke one cigarette.
118
By the age of 60, most people have lost 50% of their taste buds.
17
If you cut a 'V' shape into your toe nails, you can prevent 'in-grown' toe nails.
22
