ImmunoCAST

Few scientists have shaped modern allergy medicine as profoundly as Dr. Thomas Platts-Mills. From pioneering research on dust mite allergens and environmental drivers of asthma to helping uncover the IgE-mediated mechanism behind alpha-gal syndrome, his discoveries have transformed how clinicians diagnose and manage allergic disease. In this special episode, Dr. Platts-Mills shares the stories beh...

Dr. Ruchi Gupta, board-certified pediatrician and founding director of the Center for Food Allergy and Asthma Research (CFAAR), and PA Gary Falcetano joined forces on a Food Allergy Research and Education (FARE) webinar to discuss nuances and insights for managing food allergies across a patient’s life. In this episode we share some of the important questions that were asked about specific IgE blo...

Food allergy diagnosis is still too often driven by tests instead of history, leading to unnecessary restriction and missed opportunities for targeted care. In this episode, we invite Dr. Anna Nowak-Wegrzyn, a leading researcher in food allergy and Director of Pediatric Allergy and Immunology Division at NYU Grossman School of Medicine, to help unpack the core clinical challenge of distinguishing...

Asthma affects over 26 million people in the U.S., yet outcomes can vary dramatically based on factors beyond disease severity. This episode explores the critical gap between diagnosis and optimal asthma control, focusing on how socioeconomic status, access to care, and environmental exposures shape patient outcomes. Through a mock case study, we examine disparities in healthcare access, allergist...

With 29 million golfers in the U.S. and an estimated 7.25 million affected by spring allergies, seasonal respiratory symptoms can meaningfully affect performance and daily function. This episode explores how tree and grass pollen exposure, overlapping sensitizations, and indoor allergens can combine to drive rhinitis, fatigue, sleep disruption, and reduced daytime performance. We discuss regional...

A large 2024 study found that a comprehensive respiratory allergen profile captured more than 98% of seasonal sensitizations, highlighting a major challenge in respiratory allergy care: testing with single allergens can miss the full picture. In this episode, we explore the most optimized regional respiratory profiles and how they improve diagnostic yield, reduce duplicate testing, and help clinic...

Wheat allergy, celiac disease, and non-specific gluten intolerance all share overlapping gastrointestinal symptoms that can confound primary care diagnosis. This episode addresses the core diagnostic challenge of distinguishing IgE-mediated wheat allergy (including ω-5 gliadin–associated wheat-dependent exercise-induced anaphylaxis) from celiac disease and non-celiac gluten intolerance. We cover e...

Celebrate our 50th episode by diving in to hear some of our favorite insights from the many allergy experts we’ve welcomed to ImmunoCAST. In this episode, we’ve curated clinical clips from guests like Dr. Zachary Rubin, Dr. David Golden, Dr. Ruchi Gupta, and more. From the mental health impacts of food allergy to the relationship between allergies and intimacy, the nuances of venom allergy, and di...

Nearly 11% of U.S. adults meet criteria for a convincing food allergy, yet most clinicians underestimate both the prevalence and unique challenges of adult-onset disease. This episode addresses the frequent misdiagnosis and clinical uncertainty surrounding new symptoms in adults by highlighting epidemiology, risk factors for delayed and severe reactions, high-yield history-taking, diagnostic pitfa...

For primary care providers, seeing a patient presenting with atopic dermatitis (eczema) is common, yet misconceptions persist regarding its underlying cause and optimal management. This episode tackles the critical clinical dilemma: when and how should specific IgE testing for food and environmental allergens shape routine eczema care? Key topics include the evolution of pathophysiology—shifting f...

In this episode, we sit down with ImmunoCAST host Gary Falcetano, PA, to discuss the insights he wishes he had when he first began treating and managing allergy patients, along with the knowledge he has gathered from speaking with thousands of clinicians across the country. Gary addresses common misconceptions surrounding skin prick testing and in vitro blood testing, highlights region-specific al...

Over 99% of homes contain at least one allergen, with 75% harboring three to six, yet winter allergies often masquerade as stubborn “colds” or recurrent respiratory infections. This episode confronts the core diagnostic challenge of differentiating allergy-driven symptoms from viral, bacterial, or non-allergic triggers in colder months. We delve into indoor allergen epidemiology, risk stratificati...

In this episode, we tackle the challenge of separating allergy fact from fiction in an age of rampant online misinformation. Dr. Zachary Rubin, a double board-certified pediatrician and allergist, shares insights on common allergy myths circulating on social media. We explore misconceptions about food allergies vs. intolerances, respiratory allergies, eczema management, anaphylaxis treatment, and...

Did you know that a dog allergy could be linked to unexplained infertility? This episode delves into fascinating allergy case studies and how component-resolved diagnostics can help uncover hidden connections. From wheat-dependent exercise-induced anaphylaxis in children to severe sesame reactions despite negative clinical history, learn what these interesting cases can teach us about the impact o...

Imagine a child diagnosed with a life-threatening food allergy – how does this impact their mental health and family dynamics? In this episode, we explore the often-overlooked psychological aspects of food allergies. Licensed therapist Tamara Hubbard, MA, LCPC, shares insights on helping patients and families navigate anxiety, risk assessment, and social challenges. We discuss strategies for clini...

Did you know that peanut-triggered anaphylaxis jumps by 85% during Halloween? This startling statistic underscores the critical need for healthcare providers to address food allergy management proactively. This episode tackles the complex interplay between food allergies and Halloween festivities, offering insights into accurate diagnosis, emotional impact assessment, and practical safety strategi...

Did you know that up to 70% of adults with seasonal allergies may experience symptoms of pollen food allergy syndrome (PFAS)? This often-overlooked condition can mimic true nut allergies, leading to unnecessary dietary restrictions. In this episode, we tackle the challenge of differentiating PFAS from primary nut allergies. We explore the molecular basis of cross-reactivity between pollen and food...

A tick bite in Maine leads to an unexpected diagnosis, challenging our understanding of alpha-Gal syndrome's geographic boundaries. This episode unravels the expanding reach of this unique allergic condition, now found from coast to coast and linked to multiple tick species. We explore recent case studies that highlight the need for increased clinical suspicion, even in non-endemic areas. Learn ab...

Did you know that IgE, the antibody responsible for allergic reactions, is 30,000 times less abundant than other immunoglobulins in the body? This staggering fact underscores the importance of highly sensitive allergy diagnostics. In this episode, we pull back the curtain on what happens to allergy diagnostic blood samples after they leave your clinic. Clinical laboratory expert Jessica Murphy, ML...

Did you know that 27 million Americans ride horses annually, surpassing both golf and tennis in popularity? This surprising statistic underscores the widespread exposure to potential horse allergens, even in urban areas. In this episode, we tackle the allergies commonly seen in rural environments. We explore the intriguing hygiene hypothesis, comparing asthma rates in Amish and Hutterite communiti...

This episode dives into the intricate world of pet allergies, exploring how testing with allergen components is reshaping our clinical approach to diagnosis and management. Dr. Anne-Marie Schoos, a pediatrician and clinical researcher, shares insights on interpreting sensitization profiles, the predictive value of multiple component sensitizations, and the surprising specificity of male dog allerg...

As spring allergies subside, clinicians face a new wave of allergy challenges. This episode tackles the often-overlooked summer allergy surge, addressing the shift from tree pollen to grass and ragweed pollen. We explore the critical distinction between Class 1 and Class 2 food allergies, shedding light on cross-reactivity with summer fruits and vegetables. The discussion covers unexpected allerge...

Dive into the fascinating world of allergen components and how modifying them is revolutionizing food safety for allergy sufferers. We explore the unexpected ways allergen components affect food allergenicity, and how this knowledge is being leveraged to create safer options. From alpha-Gal-free pigs to ovomucoid-free eggs, we discuss groundbreaking developments in modified foods. We also cover th...

Did you know that urban planners inadvertently created allergy hotspots by favoring male trees in city landscapes? This episode of ImmunoCAST takes listeners on a cross-country journey, exploring how allergies manifest differently across various US regions. We address the challenge of identifying and managing region-specific allergens, from urban environments to coastal areas and the heartland. To...

Did you know the average person unknowingly consumes about 2 pounds of insects or insect parts annually? This startling fact underscores the ubiquitous presence of insects in our environment and diet, presenting unique challenges in allergy diagnosis and patient management. This episode of ImmunoCAST explores the multifaceted world of insect-related allergies, moving beyond common respiratory or s...