Flu shots only work about 70% of the time.
18
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
12
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
A person infected with the SARS virus, has a 95-98% chance of recovery.
23
Every hour one billion cells in the body must be replaced.
17
The heart pumps about 1 million barrels of blood during an average lifetime!
30
Our brains have a negativity bias and will remember bad memories more than good ones.
15
When you look up at the blue sky and see white dots flying around, you’re actually seeing your own white blood cells.
30