Hypnosis for Pain Management in Arthritis

I treat many clients for pain management hypnosis who have arthritis. I have noticed a pattern of physical abuse and repressed anger in these patients.
Today, there was a study released regarding findings of a link between physical abuse and arthritis.
I have found a connection between physical abuse and arthritis in my clients I see for pain hypnosis,

Here is a study regarding such:
Childhood Physical Abuse Linked To Arthritis, Study Finds
From the November issue of the journal Arthritis Care & Research.
University of Toronto researchers investigated the relationship between self-reported childhood physical abuse and a diagnosis of osteoarthritis (OA). childhood physical abuse and osteoarthritis in adulthood.