It takes about 20 seconds for a red blood cell to circle the whole body.
102
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
Redheads require up to 20% more anesthesia to be knocked out.
112
In one day, adult lungs move about 10,000 litres of air.
11
Drinking banana milkshake is a perfect cure for hangover.
21
Every hour one billion cells in the body must be replaced.
17
In older people, memory is best early in the morning and then declines during the late afternoon.
33