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Climate change is not just jeopardizing the health of our planet but is also increasingly affecting our immune health. There is an expanding body of evidence that climate-related exposures such as air pollution, heat, wildfires, extreme weather events, and biodiversity loss significantly disrupt the functioning of the human immune system. These exposures manifest in a broad range of stimuli, including antigens, allergens, heat stress, pollutants, microbiota changes, and other toxic substances. Such exposures pose a direct and indirect threat to our body's primary line of defense, the epithelial barrier, affecting its physical integrity and functional efficacy. Furthermore, these climate-related environmental stressors can hyperstimulate the innate immune system and influence adaptive immunity—notably, in terms of developing and preserving immune tolerance. The loss or failure of immune tolerance can instigate a wide spectrum of noncommunicable diseases such as autoimmune conditions, allergy, respiratory illnesses, metabolic diseases, obesity, and others. As new evidence unfolds, there is a need for additional research in climate change and immunology that covers diverse environments in different global settings and uses modern biologic and epidemiologic tools. [ABSTRACT FROM AUTHOR]

The prevalence and complexity of allergic diseases have increased in recent decades, leading to a significant burden for patients and their families. However, training in Allergy and Clinical Immunology (ACI) varies worldwide, with significant heterogeneity between countries. This variability may limit the number of healthcare professionals and researchers undergoing ACI training in the future. To address this, the European Academy of Allergy and Clinical Immunology (EAACI) has developed a mentorship program to support young professionals in enhancing their skills and network. The program has been successful and may serve as a model for other scientific organizations in the ACI field. [Extracted from the article]