Podcast Episode
61: The Bagel Test That Proved Food Isn't the Enemy ft. Cassandra McKenney
Beyond Wellness Culture | Women Over 40, Nervous System Regulation, Burnout, Stress, Healthy Habits·Dr. Brook Sheehan | Chiropractor, Functional Health + Holistic Health Practitioner, Creator of bodyOS: Whole-Body Healing·12 September 2026·37 min

About this episode
Dr. Brook Sheehan sits down with Cassandra McKenney, a fitness coach and registered nurse whose fourteen-year health journey took her from a controlled, obsessive relationship with food and exercise to a place of genuine peace in her body. Cassandra opens up about the eating disorder that began in middle school, the years-long binge and restrict cycle that followed, and how chasing the "right" protocol, the right supplement, the right test, and the right coach never actually gave her what she was searching for. What did change everything was recognizing that the fear driving her behavior, not the food itself, was the real problem.
The conversation gets specific and practical. Cassandra explains why her body would react differently to the exact same food on different days, and how that pattern led her to stop trusting food sensitivity tests and start paying attention to her nervous system instead. When the body senses threat, blood moves away from digestion, so a meal eaten in a state of fear will almost always feel worse than the same meal eaten at ease. She walks through the story of a client who avoided bread and carbs for years, only to discover that eating the very food she feared left her with more energy and a stronger workout, not the disaster she expected.
Brook and Cassandra also talk honestly about where the line sits between stewardship and obsession. Culture pushes women toward extremes in both directions, either total restriction or total permissiveness, and neither one is peace. The episode makes the case that healing doesn't start with more information or more discipline. It starts with getting curious about what's actually driving the fear underneath the behavior, and being willing to ask for help instead of trying to white-knuckle it alone.
Cassandra shares where listeners can find her and her own podcast, and closes with an invitation that echoes throughout this whole conversation: the noise, the rules, and the constant search for certainty aren't the answer. Relationship, trust, and support are.You can find Cassandra on Instagram and TikTok at @cmckfit, and listen to her podcast, Dumbbells & Discipleship, on Spotify, YouTube, and soon Apple Podcasts.✨ Your body has been trying to tell you something.Find out what it's saying with the free 30-second Body Signal Decoder Assessment. Pick your signal, get your personalized guide straight to your inbox, and finally start making sense of what's going on inside.Get it here: os.drbrooksheehan.com/decoder🎧 And if you caught the mention of the Talk to Me, Body affirmation card deck during the episode, here's where to grab yours. 63 scripture-anchored cards to help you trust the body God designed for you.Get yours here: drbrooksheehan.com/talk-to-me-body/📱 Come say hi on Instagram: @drbrooksheehan⭐ If this episode spoke to you, would you take a second to leave a five-star review on Apple or Spotify? It helps more women find this show. And more women learning to listen to their bodies is exactly why I do this.