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The Podcast’s Core Question: Defining Food IntoleranceThe episode opens by distinguishing food intolerance from food allergy. While an allergy triggers an immune response that can be life‑threatening, intolerance typically involves digestive discomfort, headaches, or fatigue without the involvement of IgE antibodies.Symptoms, Self‑Assessment, and When to Seek Professional HelpBloating, gas, or abdominal pain after mealsChronic fatigue or brain fogSkin eruptions such as eczemaHeadaches or migraines linked to specific foodsThe hosts stress that recurring symptoms across multiple meals merit a medical review rather than sole reliance on anecdotal elimination diets.Market Numbers: The Rise of At‑Home Food Intolerance TestsAccording to industry data cited in the podcast, the global market for at‑home intolerance kits grew from £45 million in 2022 to £78 million in 2025, a compound annual growth rate of roughly 15 %. The surge is driven by consumer demand for personalised health insights and the perception of convenience.Public‑Health Implications of DIY TestingWhile the tests offer quick feedback, experts warn of false positives and the risk of unnecessary dietary restrictions. Misdiagnosis can lead to nutrient deficiencies, especially if individuals eliminate entire food groups without professional guidance.Looking Ahead: Regulation and the Promise of Precision NutritionThe podcast concludes with a look at upcoming EU regulations that will require clearer labelling of test accuracy, and the potential for AI‑driven platforms to integrate test results with medical records for truly personalised nutrition plans.