It takes approximately 12 hours for food to entirely digest.
93
Flu shots only work about 70% of the time.
18
35,000 people in the U.S. will die from the flu annually.
6
You mostly breathe from only one nostril at a time!
75
Sex burns about 360 calories per hour.
860
The right lung takes in more air than the left.
30
A person infected with the SARS virus, has a 95-98% chance of recovery.
23