Figure 1From: A retrospective chart review to identify perinatal factors associated with food allergies Depiction of gut flora contribution to atopy. The neonatal immune system (Th0) is predisposed to develop Th2 responses, especially in the presence of atypical gut flora or the absence of lactobacilli and/or bifidobacteria. Therapies that stimulate Th1 responses may be able to restore balance and lead to immunologic tolerance rather than hypersensitivity.Back to article page