Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17
There's 100 trillion good bacteria living in your body.
17
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
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
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
12