Every cigarette smoked cuts at least five minutes of life on average, which is roughly the time it takes to smoke one cigarette.
118
Flu shots only work about 70% of the time.
18
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
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
Your body is creating and killing 15 million red blood cells per second.
50
There's 100 trillion good bacteria living in your body.
17
Your spit has a painkiller 6 times stronger than morphine. It contains a substance called opiorphin that is stronger than morphine.
39
Fingernails grow nearly 4 times faster than toenails!
30