"But on a scale of 0 to 10, how do you rate your pain?" asked the nurse. My daughter's tear-streaked face creased with confusion. "What does 10 mean?" "10 is the worst pain you can imagine." She ...

While seemingly straightforward, rating pain on a scale of 0 to 10 is more complex than it appears, influenced by factors ...

“But on a scale of zero to 10, how do you rate your pain?” asked the nurse. My daughter’s tear-streaked face creased with confusion. “What does 10 mean?” “Ten is the worst pain you can ...