Oxalates are toxins occurring naturally in many plant foods. Few people know that they can lead to serious and chronic health problems including kidney stones, GI issues, autoimmunity, arthritis, chronic pain, osteoporosis, thyroid issues, and many others. Author and public health nutritionist Sally K. Norton shares her research and practical experience with oxalates. Learn surprising high-oxalate foods and how to use dietary oxalate avoidance to heal.