Men have larger hearts; women's hearts beat faster.
77
Lack of water is the #1 trigger of daytime fatigue.
148
Every cigarette smoked cuts at least five minutes of life on average, which is roughly the time it takes to smoke one cigarette.
118
On average, there's 100 billion neurons in the human brain.
83
Gardening is said to be one of the best exercises for maintaining healthy bones.
40
You mostly breathe from only one nostril at a time!
75
There are more bacteria in your mouth than there are people in the world.
60
About half of all Americans are on a diet on any given day.
29