Also for those less severely affected, walking would be excellent. I've known of some who have arthritis who actually run. Abishag, go ahead, please. Abi, I actually have no opinion whatsoever about a high protein diet. Protein is part of that eating regimen.
Complex carbohydrates are important as well.
I haven't paid much attention to them. I just know that WW is highly successful. I know that all this is somewhat controversial, but I haven't found it productive to get into the fray. That's a reasonably accurate conclusion. WW doesn't preclude anything.