It takes about 20 seconds for a red blood cell to circle the whole body.
102
Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190
Deep Breathing gives you health benefits similar to aerobics.
39
When your face blushes, the lining of your stomach turns red, too.
154
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
Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
103
The average female will have 3.3 pregnancies in her life.
49
Your heart beats over 100,000 times a day!
54