In 1996, research found that having excessive body hair is linked to higher intelligence.
23
The human sigh acts as a physiological reset button.
23
The levels of two stress hormones, cortisol and epinephrine which suppress the body's immune system, will actually drop after a dose of laughter.
112
There's 100 trillion good bacteria living in your body.
17
Your heart will pump about 212 million liters in its lifetime.
26
In one day, adult lungs move about 10,000 litres of air.
11
An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111