What are some foods to avoid if you have osteoarthritis?

There are over a hundred different form of arthritisand many Arthritis sufferers feel that they get increased symptoms when they eat particular types of food. Aside from gouty arthritis which is the result of purine rich foods increasing the uric acid content in the blood, There is no definitive evidence however that any particular foods affect the symptoms of arthritis. This either means that there are a lot of myths around on this subject or different food do have different effect on people. the later being the case, the foods to avoid are acidy foods and foods based on the nightshade family. In my own experience I have found that I have tended to get a little obsessive about avoiding certain foods wines etc and later found that none of them really had any effect.