The term 'healthy food' can be quite a paradox, because what nourishes one person can make another quite sick. Certain vegetables and fruits contain oxalates which are naturally occurring compounds that make up part of their natural defense system. The oxalates found in plant-based foods like spinach, swiss chard, rhubarb, beets, soy protein, lemon peel, raw parsley, okra and sweet potatoes might be behind unexplained chronic pain and inflammation for some of us. Oxalates remind us of how deeply