A human brain produces as many as 12,000 to 50,000 thoughts per day, depending on how deep a thinker a person is.
23
Flu shots only work about 70% of the time.
18
If you are bitten by a poisonous snake, and fail to receive medical attention, you still have a 50% chance of survival.
28
The human brain is more active during sleep than during the day.
28
Your body is creating and killing about 2.4 million red blood cells per second.
17
Foreign accent syndrome is a rare brain disorder which causes people to speak in a foreign accent involuntarily.
15
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
In one day, adult lungs move about 10,000 litres of air.
11