Excess acidity is known to be associated with arthritis. Balance is the key. When the body is over-acidic, it doesn't mean that we need to eat only alkaline foods. Some try to avoid all acid foods and then shortly thereafter drop the whole idea since it is too big a lifestyle change for one day. There is also a link to plants of the nightshade family.
Vegetables are vital.
Researchers credit eliminating meat fat, but also suspect fruits and vegetables having undefined benefits. Since arthritis is a structural problem, you may want to study more about the structural system . I can't prescribe for anybody, but I can share with you what has helped me and others that we've worked with over the years. Everybody is an individual themselves and the same thing doesn't always work exactly the same way for every person. I do know that there is a natural solution for you.