When to have Total Knee Replacement Surgery?

Many of us have creaky knees, especially as we get older. But how do you tell when your aches and pains are caused by achy joints and when they indicate more serious issues that may require surgery?
"Here are some signs that you might want to consider total knee replacement surgery in the near future, as well as some things to know about the process, according to our hip and knee replacement surgeon Dr Muthana Sartawi."