1.How Long Does It Take?
Symptoms caused by food usually go away within 4 weeks of changing your diet. If they haven’t stopped after 8 weeks, those foods probably aren’t the cause.
2.What Can It Tell Me?
More research is needed, but this diet has been used as a possible way to diagnose and treat allergies, gluten intolerance (celiac disease), lactose intolerance, chronic pain, fatigue, irritable bowel syndrome, mood and attention disorders, and other conditions.