You can alleviate a tickly throat by scratching your ear.
12
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Scientists estimate that laughing 100 times is equivalent to a 10-minute workout on a rowing machine.
202
The human brain uses approximately as much energy as a 10 watt light bulb.
120
Your heart rate can rise as much as 30% during a yawn.
69
Your stomach produces a new layer of mucus every two weeks so that it doesn't digest itself.
160
20 minutes after smoking a cigarette, blood pressure drops to normal.
37