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Can being an only child increase my risk of allergy?

Children who who have many siblings appear to be protected against developing allergies. In this video, Jessica Savage, MD, Clinical & Laboratory Immunologist at Brigham and Women's hospital discusses the hygiene hypothesis and allergies.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.