ImmunoCAST

A podcast containing allergy insights for medical minds

Tune in and gain scientifically backed allergy information in easy-to-digest episodes created for primary care and specialists alike.

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NEW: The Microbiome and Allergy: What Primary Care Should Know

About 30% to 40% of the world’s population is affected by some form of allergic disease, making allergy a routine consideration in primary care. But as interest in the microbiome grows, clinicians and patients face an important question: what does the evidence actually tell us about its role in allergic disease? This episode explores immune development, the hygiene and biodiversity hypotheses, food allergy, early-life tolerance, the gut-skin axis, atopic dermatitis, asthma, allergic rhinitis, antibiotic exposure, diagnostic testing, and early peanut introduction. The discussion separates established evidence from emerging associations and considers what, if anything, should change in clinical practice today. Clinicians will come away with practical guidance on maintaining evidence-based allergy diagnosis and management while understanding where microbiome research may shape future approaches to prevention and care.

What is ImmunoCAST?

An allergy podcast for primary care and beyond

Quick, easy-to-digest episodes

Patient management tips

Interesting disease-state insights

Medical guidelines and best practices

Featured episodes

007 Spring allergies: the perfect time for non-allergic rhinitis to go undetected.

002 What is the allergy symptom threshold?

016 How do allergies change over a patient's lifetime?

Explore ImmunoCAST episode resources

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Respiratory allergy

060 The Microbiome and Allergy: What Primary Care Should Know

Respiratory allergy

059 Closing the Lab-to-Clinic Gap in Allergy and Autoimmunity (ft. Dr. Zachary Rubin & Dr. Crista Prates)

058 Early-Life Allergy Risk, Precision Diagnostics, and the Future of Prevention (ft. Dr. Anna Asarnoj)

057 Behind the Discovery of Alpha-Gal Syndrome and Other Pioneering Research with Dr. Thomas Platts-Mills

056 Key Takeaways for Managing Food Allergies Across the Lifespan (Ruchi Gupta, MD, MPH)

055 Food Allergy and EoE: Smarter Diagnosis for Better Care (ft. Anna Nowak-Wegrzyn, MD, PhD)

Respiratory allergy

054 Asthma Disparities: Hidden Drivers and Practical Solutions for Clinicians

Respiratory allergy

053 Golf, Pollen, and Performance: Managing Spring Allergies in Active Patients

Respiratory allergy

052 Optimizing Allergy Care with Regional Respiratory Profiles

051 When Wheat Matters: Allergy, Celiac Disease, and Intolerances

50th Episode: Top Insights from Our Past Allergy Expert Guests

Respiratory allergy

049 Adult Food Allergy in Primary Care: Practical Diagnosis, Pitfalls, and Management Strategies

Respiratory allergy

048 Eczema Essentials: Diagnosing and Managing Atopic Dermatitis in Practice

Respiratory allergy

047 Things I wish I knew about allergies when I started practicing medicine.

Respiratory allergy

046 Unmasking Winter Allergies and Indoor Triggers: Differential Diagnosis and Targeted Management for Healthcare Providers

Respiratory allergy

045 Unraveling Complex Allergy Case Studies with the Power of Allergen Components

044 Unraveling Complex Allergy Case Studies with the Power of Allergen Components

043 How Can Clinicians Address Mental Health in Food Allergy Patients? (ft. Tamara Hubbard, MA, LCPC)

042 From Anxiety to Inclusion: Reimagining Halloween for Food Allergy Patients

Respiratory allergy

041 What's the Link Between Pollen and Nut Allergies? Diagnostic Insights for Clinicians

040 Navigating the Expanding Landscape of Alpha-Gal Syndrome in Primary Care

Respiratory allergy

039 Between Blood Draw and Results: The Allergy Diagnostics Journey

Respiratory allergy

038 Rural Allergy Risks: A Clinical Examination of Horse Allergy and Beyond

Respiratory allergy

037 Unraveling the Complexities of Pet Allergy Diagnosis with Dr. Ann-Marie Schoos

Respiratory allergy

036 Summer Allergy Surge: From Summer Camp to Air Conditioners

035 How Are Allergen Components Reshaping Food Allergy Safety for Patient?

Respiratory allergy

034 Allergies Coast to Coast: Uncovering Regional Triggers and Treatments

033 Dust mites to dinner plates: Unexpected insect allergies in clinical practice

032 Must-Know Tips for Primary Care Managing Food Allergies: Insights from Dr. Ruchi Gupta

031 Understanding the Allergy Symptom Threshold with Dr. Zachary Rubin and Allergy Insider

030 From Pollen to Plate: Understanding Pollen Food Allergy Syndrome

029 Why Tick Season Isn’t the Only Time to Focus on Alpha-Gal Syndrome with Dr. Scott Commins

Respiratory allergy

028 Preparing Asthma Patients for Spring: Strategies and Insights

Respiratory allergy

027 Dr. David Golden discusses the latest Anaphylaxis Guidelines and more

026 Thought-provoking medical case studies showcased at ACAAI 2025

025 Highlighting 9 of the most interesting research abstracts from ACAAI

024 Navigating Social Media as a Clinician: Insights from Dr. Zachary Rubin

023 Understanding Alcohol and Allergies: Hidden Risks and Reactions

022 Food Allergies & Halloween: Balancing Emotional and Physical Health

Respiratory allergy

021 The Overlooked Allergy Season: Challenges with Fall Allergies

Respiratory allergy

020 Exploring Allergic Rhinitis and Sexual Health with Dr. Michael Benninger

019 What Should Primary Care Know About Food Intolerance vs. Food Allergy?

018 What's the current state of allergy care in the US? (Triple Aim approach)

Respiratory allergy

017 Is Your Practice Prepared for Asthma Peak Week?

016 How do allergies change over a patient's lifetime?

015 How Might Allergies Impact Olympians and Other Athletic Patients?

014 Tree Nut Allergies: Allergen Components and Diagnostic Strategies

013 Clinically Navigating the Sting of Allergies from Bee, Wasp, and Fire Ant Venoms

012 Food Allergies and Climate Change: What's the Connection?

011 What Should Clinicians Know About Alpha Gal Syndrome (Red Meat Allergy) and Tick Bites?

010 Food Allergen Components 101: Milk, Eggs, Peanuts, and Tree Nuts

Respiratory allergy

009 Clearing the Air: Understanding Cannabis Allergy and Exposure

008 Food Allergy Update: Dishing out EAACI's newest food allergy diagnosis guidelines

Respiratory allergy

007 Spring allergies: the perfect time for non-allergic rhinitis to go undetected.

Respiratory allergy

006 It's not all in the name when it comes to allergic asthma

Respiratory allergy

005 Pet allergen components: the future of pet allergy diagnosis and management.

004 How might food allergies impact patients who are sexually active?

003 What's the relationship between allergies and media?

002 What is the allergy symptom threshold?

001 How can primary care clinicians utilize specific lgE blood testing?

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Meet the hosts

Gary Falcetano

Gary Falcetano has been a Board Certified and licensed physician assistant (PA) for 28 years with over 12 years of experience in Allergy and Immunology. Currently, he serves as Scientific Affairs Manager for allergy at Thermo Fisher Scientific.

Luke Lemons

Luke Lemons has over 6 years of experience writing and helping to educate healthcare providers in allergy and immunology. Currently, he is a Digital Content Manager at Thermo Fisher Scientific and is a part of their immunodiagnostic team.

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