Flu shots only work about 70% of the time.
18
Contrary to popular beliefs, chocolate does not cause acne.
63
Laughing could dramatically improve your health – and be as good for you as a deep state of meditation, researchers have found.
28
Wearing headphones for an hour increases the bacteria in your ear 700 times.
233
35,000 people in the U.S. will die from the flu annually.
6
One quarter of the human brain is used to control the eyes.
43
It takes about 20 seconds for a red blood cell to circle the whole body.
102
Kissing an infection-free partner is good for your teeth!
141