It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
There's 100 trillion good bacteria living in your body.
17
The average human body contains enough fat to make seven bars of soap.
45
You mostly breathe from only one nostril at a time!
75
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
While 7 men in 100 have some form of color blindness, only 1 woman in 1,000 suffers from it.
50
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Every cigarette smoked cuts at least five minutes of life on average, which is roughly the time it takes to smoke one cigarette.
118