Q: why does Trader Joes not use GMO and is the healthiest grocery store? But all the major grocery stores do and cause Canser? Question Submitted By: 3FFECT from seattle, wa Notification Preferences +1 0 -1 Thank you for your question. One of our experts will get back to you soon. Topic: Business Practices, Impact on Society, Safety, Health, and Nutrition 0 Comments | Add Comment Log in or register to post comments To post a comment, please login.