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
The human brain is insensitive to pain.
76
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
Drinking watermelon juice before a workout helps reduce muscle soreness.
21
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
Pain travels through the body at 350 feet per second!
23
Your ears secrete more earwax when you are afraid than when you aren't.
229