In the average lifetime a person will breath in about 44 pounds of dust.
21
The pupil of the eye expands as much as 45 percent when a person looks at something pleasing.
130
Kissing an infection-free partner is good for your teeth!
141
Enamel is hardest substance in the human body.
61
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
Flu shots only work about 70% of the time.
18
By weight, Bone is five times stronger than steel.
417
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92