It is possible to go blind from smoking too heavily.
50
The human sigh acts as a physiological reset button.
23
The skin on your lips is 200 times more sensitive than your fingertips.
345
Panophobia is the fear of everything.
52
Flu shots only work about 70% of the time.
18
About 400 different kinds of microbes live on and in the human body.
-3
A person infected with the SARS virus, has a 95-98% chance of recovery.
23