Cigarette smoke contains 4,800 chemicals, 69 of which cause cancer.
145
Surgeons who listen to music during operations perform better than those who don't .
87
On average, there's 100 billion neurons in the human brain.
83
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
Only 1% of bacteria cause disease in humans!
2
Only 1% of bacteria cause disease.
45

