The average human body contains enough iron to make a small nail.
50
Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190
Pain travels through your body at 350 ft. per second.
36
Drinking watermelon juice before a workout helps reduce muscle soreness.
21
Chocolate, sex, and laughter are all important for a healthy brain.
37
If you are cold you are more likely to be hungry because you use energy to keep warm.
143
Fingernails grow fastest on the hand you favor.
44
Fidgeting can burn about 350 calories a day.
201