We simply do not understand the origin of this hugely variable relation between injury and pain.

They learn to decipher the subtle difference between pain and injury.

But a close look at who show up in the emergency room has found an equally strong connection between occasional drinking and injury.

"Someone told me there was a difference between pain and injury," Woods said.

This year, he said, "I'm trying to put a little margin between pain and injury."

The difference between pain and injury is the thing here.

The relationship between disease and injury may play a role in the cause, manner and circumstances of death.

Cone is seemingly pushing himself to work through what he called "the fine line between pain and injury."

There is a quite clear connection between strong vibrations and injury.

The study does not establish a cause/effect relationship between headphone use and pedestrian injury or death.