When you take a step, you are using up to 200 muscles.
886
There's 100 trillion good bacteria living in your body.
17
It has been shown that caffeine causes headaches when stopped suddenly and can cause morning headaches that are relieved by a dose of caffeine.
101
Redheads require more anesthesia to 'go under' than other hair colors do.
50
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
The lense of the eye continues to grow throughout a person's life.
34
Due to the angle at which the optic nerve enters the brain, staring at a blue surface during sex greatly increases the intensity of orgasms.
252
Like fingerprints, everyone's tongue print is different!
71