It takes about 20 seconds for a red blood cell to circle the whole body.
102
If you stop working out, it takes twice as long to lose strength than it took to gain it.
16
Only 1% of bacteria cause disease.
45
There's a new vaccine for alcoholism that gives drinkers an immediate and harsh hangover, even if they drink a small amount of booze.
14
You see your nose at all times, your brain just chooses to ignore it.
30
About 400 different kinds of microbes live on and in the human body.
-3
A study in the UK states that men need at least two "guys nights out" each week to stay healthy.
5

