The pupil of the eye expands as much as 45 percent when a person looks at something pleasing.
130
Scientists estimate that laughing 100 times is equivalent to a 10-minute workout on a rowing machine.
202
Lack of water is the #1 trigger of daytime fatigue.
148
Most lipstick contains fish scales.
37
The human brain doesn't stop developing until about 25 years old.
102
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
There are about 1,400 different species of bacteria in your belly button.
10
It has been said that over 350 million people suffer from Facebook Addiction Disorder.
115