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Background: The Indian diaspora is a fast-growing population in North America, but there are limited data on the prevalence of atopic diseases after migration. Objective: We investigated the impact of migration on atopic disease prevalence among physician families who migrated from Kerala, Southern India, to North America. Methods: A cross-sectional questionnaire was administered to collect demographic information, migration, and atopic history-including allergic rhinitis (AR), food allergy (FA), asthma, and atopic dermatitis (AD)-of physician migrants from Kerala, Southern India, and their families. Conclusion: Respondents exhibited increased prevalence of AR and FA after migration. North America-born children showed elevated risk for asthma, AR, and FA compared to respondents and children who migrated after birth. Research into lost protective factors and new risk factors, including environmental and dietary changes, is needed to decrease the impact on future generations.
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Kodoth et al. (2025) studied this question.
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