Episode 144| Illness Anxiety — The Diagnosis Almost No One Names| Karen Cassiday PhD
If you (or someone you love) can't stop scanning for signs that something serious is being missed — checking, Googling, asking for reassurance — this conversation names it and offers a real way out. Dr. Karen Cassiday, a clinical psychologist and past president of the ADAA, joins Dr. Adam Rinde to unpack illness anxiety (often called health anxiety): what it is, why it isn't the old, dismissive "hypochondria," and why it can attach just as fiercely to a child's or spouse's health as your own.
Karen explains why reassurance is "gasoline on a fire," how to distinguish anxiety symptoms from genuine red flags, and why more screening — like the $1,000 whole-body MRI — buys anxiety, not better health. She shares the heart of exposure-based therapy, the qualities that make it work, and how snowplow parenting feeds the cycle. She closes with a concrete mid-spiral walkthrough: stop reassurance, slow the body, then do exposure — because "it's sad, but it's not a tragedy. The tragedy is not living well because of your anxiety."
Health anxiety is a genuine clinical disorder that leaves people trapped in cycles of checking, reassurance-seeking, and fear despite medical confirmation they're healthy. In this episode, clinical psychologist Dr. Karen Cassiday explains what health anxiety actually is, why traditional reassurance makes it worse, and how exposure-based therapy breaks the cycle. You'll also learn about qualified therapists and resources that can help you or a loved one recover.
Key takeaways:
• Health anxiety is a distinct clinical disorder with a name—it's not 'just worry' and responds to specific evidence-based treatment
• Reassurance-seeking (asking for confirmation you're healthy) actually strengthens anxiety and creates a vicious cycle that gets harder to break
• Exposure-based therapy works by practicing the things you fear and learning to tolerate uncertainty, rather than avoiding or seeking reassurance
• Real red flags that separate actual health concerns from health anxiety include: persistent checking despite medical reassurance, impact on relationships and sleep, and compulsive reassurance patterns
• First steps toward recovery: recognize anxiety is the problem (not actual illness), find a therapist trained in exposure therapy for health anxiety specifically, and commit to tolerating uncertainty
• The Anxiety and Depression Association of America (ADAA) is a trusted resource for evidence-based information and a directory for finding qualified therapists
• Even severe health anxiety can improve significantly in weeks to months with proper intensive exposure-based treatment
Time Stamps:
0:00 — Opening Story: The Mother's Spiral: A mother with untreated health anxiety checking her toddlers' lymph nodes daily for disease
2:22 — From Thera-Mom to Balance: Dr. Cassiday's personal journey of overly anxious parenting and finding perspective
7:12 — Building an Exposure-Based Practice: Why Dr. Cassiday moved beyond clinic walls to treat patients in their real environments
13:40 — Exposure Therapy in Action: The Snake Story: How a teenager's phobia was overcome through real-world exposure and authentic therapist modeling
23:15 — Defining Health Anxiety: Understanding Illness Anxiety Disorder and how it differs from panic disorder
28:44 — Social Media's Role in Amplifying Worry: How internet searches and social-media illness narratives feed the anxiety loop
30:00 — The Reassurance-Seeking Trap: Why checking for reassurance actually reinforces and worsens health anxiety
42:36 — First Step: The Information Fast: Practical strategy to interrupt the anxiety cycle by stopping information intake
---
About Dr. Karen Cassiday
Dr. Karen Cassiday is a lively, sought-after speaker and media commentator on anxiety, featured on outlets including Nightline, The Today Show, Animal Planet, The Joy Behar Show, and public radio, and host of the Moms Without Worry radio show on iHeartRadio. A TEDx speaker, she served as President of the Anxiety and Depression Association of America (ADAA) and is the founder of the Anxiety Treatment Center of Greater Chicago — the longest-running clinic to first use modern exposure-based treatment for anxiety disorders in the Chicago region.
She is the author of The No Worries Guide to Raising Your Anxious Child, Freedom from Health Anxiety, and Helping Children and Teens with Difficult-to-Treat OCD, along with numerous peer-reviewed and media articles on overcoming anxiety. A recipient of ADAA's Clinician of Distinction Award and a Clinical Fellow of ADAA, she is also a Diplomate and Founding Fellow of the Academy of Cognitive Therapy and has trained mental health professionals throughout the world.
Resources mentioned:
• Dr. Karen Cassiday
• Anxiety Treatment Center of Greater Chicago
• Anxiety and Depression Association of America (ADAA)
• International OCD Foundation
• Psychology Today
• PSYPACT (interstate telehealth licensing)
• Freedom from Health Anxiety (book)
• The No Worries Guide to Raising Your Anxious Child (book)
Links mentioned:
• Anxiety Treatment Center of Greater Chicago — https://anxietytreatmentcenter.com
• Anxiety and Depression Association of America (ADAA) — https://adaa.org
• International OCD Foundation — https://iocdf.org
• Psychology Today Therapist Finder — https://www.psychologytoday.com
• PSYPACT - Interstate Telehealth Licensing — https://www.psypact.org
• Freedom from Health Anxiety (book) — https://www.amazon.com/dp/1684039045
• The No Worries Guide to Raising Your Anxious Child (book) — https://www.amazon.com/Worries-Guide-Raising-Anxious-Child-ebook/dp/B091SL12JW/
About The One Thing Podcast with Dr. Adam Rinde
Host Dr. Adam Rinde, ND brings together leaders in functional and naturopathic medicine for actionable conversations on gut health, brain health, metabolism, and longevity. Subscribe and share at https://onethingpod.com.
For education only — not a substitute for medical advice.
#HealthAnxiety #IllnessAnxiety #AnxietyDisorder #MentalHealth #AnxietyTreatment #ExposureTherapy #AnxietyRelief #HealthAnxietyDisorder #NaturopathicMedicine #FunctionalMedicine #MindBodyMedicine #WellnessJourney #TheOneThingPodcast #AnxietySupport #PsychologicalHealth
Thank you for tuning in to The One Thing Podcast with Dr. Adam Rinde ! If you enjoyed this episode, don't forget to subscribe for more insightful discussions. Feel free to leave us a review and share your thoughts. Stay connected by subscribing to this page for updates and behind-the-scenes content. Until next time, keep healthy and stay empowered.
Clinical psychologist |Author
Dr Karen Cassiday is a lively, sought-after speaker and commentator on national media such as Nightline, The Today Show, Animal Planet, The Joy Behar Show, Huffington Post, public radio and many more.
She is the host of the Moms Without Worry radio show featured on IHeart Radio.
She is a TEDx speaker who shared her personal experience as a mother overcoming her own anxious perfectionism in the middle of Walt Disney World!
She is the host of the Moms Without Worry radio show. She served as the President of the Anxiety and Depression Association of America and is the founder of the Anxiety Treatment Center of Greater Chicago, the longest-running clinic to first use modern exposure-based treatment for anxiety disorders in the Chicago region.
She is the author of The No Worries Guide to Raising Your Anxious Child and Freedom from Health Anxiety and Helping Children and Teens with Difficult-to-Treat OCD. She has also authored numerous peer-reviewed scientific articles and media articles on overcoming anxiety.
She won the Anxiety and Depression Association of America’s prestigious Clinician of Distinction Award and is a Clinical Fellow of the Anxiety and Depression Association of America. She is also a Diplomate and Founding Fellow of the Academy of Cognitive Therapy, served as Chair of the Scientific Advisory Board of the Chicago OCD Foundation/Beyond OCD, and has been listed on numerous Who’s Who lists. She has published numerous scientific articles and articles on parenting and managing anxiety. She also has a long history trainin… Read More
