Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
The human sigh acts as a physiological reset button.
23
The average person's skin weighs twice as much as their brain.
131
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
One human hair can support 3 ounces.
191
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
There's 100 trillion good bacteria living in your body.
17