About half of all Americans are on a diet on any given day.
29
About 400 different kinds of microbes live on and in the human body.
-3
A woman's sense of smell is most sensitive during ovulation.
34
The average human body contains enough fat to make seven bars of soap.
45
Enamel is hardest substance in the human body.
61
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
Your body is creating and killing 15 million red blood cells per second.
50
