Stevie wrote:
  I have read that paleo eating can help rheumatoid arthritis,
> but haven't really found anything saying it's of benefit to 
> osteoarthritis--the wear and tear on joints as we age. Three of my 
> sisters have osteoarthritis and I've been trying to find info to help 
> them alleviate pain/inflammation and possibly to prevent further 
> deterioration of the joint.
> 

Probably raw zero carbohydrate diet, as the most likely to help.
Also the most difficult.

William