• Did you know that the word arthritis literally means joint inflammation? That's right, the word arthritis comes from the Greek words for joint (arthro) and inflammation (-itis).
• Bone can be stronger than steel: Once again, this is a pound for pound comparison, since steel is denser and has a higher tensile strength.
• When you take a step, you are using up to 200 muscles: Walking uses a great deal of muscle power - especially if you take your 10,000 steps.
