The topic of allergies and intolerances continues, this time we are fortunate to hear the perspective of a respected Melbourne dietitian Rocco Di Vincenzo. He shares his functional medicine thinking alongside Brisbane nutritionist Deborah Smart who has experienced allergy first hand through her daughter’s experience. How do they use IgG testing to inform their clinical judgement? And what role does stress and trauma play in the aetiology of allergy and intolerance?