The general explanation for the cause of arthritis is that over time, our joints simply wear out - that is, the cartilage that lubricates the ends of the bones simply gets worn thinner and thinner until one bone wars directly on another, causing pain and lowering our quality of life. It stands to reason that wear and tear is responsible for some of the damage.It is considered a progressive disease, meaning that once the symptoms arediagnosed, they tend to get worse. Yet arthritis can be re...