Living with pain.

Knee pain is often a sign of over-training or a need to improve form or flexibility. Running actually seems to improve knee health.

Researchers found the more people ran, the less likely the were to suffer knee pain or osteoarthritis.

In order to really enjoy the pleasures of life, we need to face the painful parts, too.

Pain and pleasure take turns: constant pleasure is a stimulus that must either lose strength or grow. And this growth will either harden the sense buds with its friction, or turn into pa...