Health & Fitness
**The Obesity Guide with Matthea Rentea MD**

Matthea Rentea MD leads discussions on obesity and chronic weight management. Her guests range from experts in the fields that intersect with obesity and wellness, to individuals successful in their weight journey. She is a Board certified Internal Medicine and Diplomate of the American Board of Obesity Medicine and founder of the Rentea Metabolic Clinic, a Telehealth clinic for residents of the state of Indiana and Illinois that helps comprehensively with weight management. This podcast is for information and education purposes only. No medical advice is being given. Please talk to your physician for what is right for you.

Latest Episodes:

Your Friday Five: Why Doing Less (Really Well) Wins Aug 01, 2025

Show notes

Send a Text Message. Please include your name and email so we can answer you! Please note, this does not subscribe you to our email list, it's just to answer if you have a questions for us.

In this episode of Your Friday Five, Dr. Matthea dives into the underrated power of mastery—what it means, how it builds over time, and why chasing the basics can take you further than constant novelty. Inspired by a speaker who’s delivered over 13,000 talks, she reflects on how consistent small tweaks in her own health routines (hello, walking and protein!) have paid off more than all-or-nothing efforts. If you’ve been tempted to overhaul everything, this episode is your reminder to go back to the foundations—and master them.

💡 Plus, don’t miss the reminder about registering for the September 30/30 Program before the shipping cutoff!

Join The Next Chapter, a five-month experience to make space for your health, work toward a meaningful goal, and have some fun along the way—get the details and enroll here by October 30th.

Not Sure Where to Start With the Podcast? I’ve Got You.

Get my free Podcast Roadmap—a simple guide to help you find the episodes that matter most to your journey. Whether you're on GLP-1s, navigating plateaus, or just starting out, there's something here for you.

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The Perfectionist Trap: Why Being an A+ Student Kept Me Stuck with Nurse Marnie Jul 28, 2025

Show notes

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What if being an "A+ student" with your health is actually keeping you stuck?

That’s exactly what Marnie discovered when she joined my 30/30 Program. A registered nurse who had struggled with weight her whole life, Marnie approached health like everything else—with perfect charts, detailed tracking, and flawless rule-following. But that perfectionist mindset was fueling a cycle of burnout and frustration.

In this episode, Marnie shares the moment she realized her task-master mentality was actually self-sabotage—and how letting go of perfection finally unlocked real, sustainable change.

We cover:

Why “there’s no right way to start”
How doing less led to better results for Marnie
The power of “accept and allow” versus restriction and control
Why lasting change comes from small pivots, not drastic overhauls
Practical meal planning tips and systems that fit real life

Marnie’s story shows that lasting health isn’t about perfect execution — it’s about sustainable habits you can actually live with. If you’re tired of the all-or-nothing grind, this episode will completely shift how you think about your health journey.

References

Connect with Marnie

Instagram

Facebook

CMC Weight Loss Clinic

Get Your FREE 3-Day Hunger Hormone Reset Mini Video Series

Enrollment is now LIVE live for the September round of The 30/30 Program - Click here to join now

Audio Stamps

00:00 - Reminder that enrollment is now LIVE for the September round of The 30/30 Program.

04:12 - Dr. Rentea introduces Marnie, a registered nurse with a powerful personal health journey and an unshakable commitment to helping others.

10:35 - Reminder that there’s no perfect way to start a health journey

16:45 - Tips for how to start and keep going when feeling stuck.

27:15 - How Marnie’s meal planning grew from strict prep to simple, doable routines that work long-term.

33:27 - Mindful, intentional enjoyment of fear foods helps prevent overeating and builds long-term balance.

36:47 - Marnie shares her routine, highlighting the importance of enjoying what you eat to build sustainable habits.

47:26 - Lasting change starts with one small step and grows over time—there’s no need to wait for a “perfect moment”.

Join The Next Chapter, a five-month experience to make space for your health, work toward a meaningful goal, and have some fun along the way—get the details and enroll here by October 30th.

Not Sure Where to Start With the Podcast? I’ve Got You.

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Rewiring Your Life Takes Time—Don’t Quit Too Soon Jul 25, 2025

Show notes

Send a Text Message. Please include your name and email so we can answer you! Please note, this does not subscribe you to our email list, it's just to answer if you have a questions for us.

In this week's Friday Five, Dr. Rentea dives into a critical question: How long are you prepared to push for the life and body you’ve always wanted? We unpack why real change isn’t instantaneous—especially if years of habits and self-talk have to be swapped for something new—and how commitment and grit help you see it through.

In this episode, you’ll discover:

Why new healthy habits won’t instantly feel easy
How to rewire your mindset toward long-term consistency
A powerful reframing tool for self-talk on tough days (“Today, I refuse to be mean to myself”)
A deeper look at the September round of the 30/30 program — now with a bonus members-only WhatsApp community through January
A first look at the intimate 2026 retreat for program graduates

👉 Ready to truly fight for your future self? Registration for the September 30/30 round (with WhatsApp support through the holidays) is open now—space is limited. Reach out with questions at renteaclinic@gmail.com.

Have an amazing weekend, and remember: you can do hard things.

Join The Next Chapter, a five-month experience to make space for your health, work toward a meaningful goal, and have some fun along the way—get the details and enroll here by October 30th.

Not Sure Where to Start With the Podcast? I’ve Got You.

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Hungry All the Time? Try These 2 Hormone Hacks Jul 21, 2025

Show notes

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If you’ve ever felt powerless around food, it’s not because you’re lacking discipline. It’s because your hunger hormones are in the driver’s seat.

Behind the scenes, hunger hormones like ghrelin, leptin, cortisol, and insulin are constantly working to regulate your appetite and energy. But when things like poor sleep, skipped meals, or a diet heavy in processed foods throw those hormones off balance, it can feel like your cravings are calling the shots.

That’s exactly why I created the FREE 3-Day Hunger Hormone Reset Mini Video Series—to help you stop blaming yourself and start working with your hormones instead of against them.

This episode gives you a sneak peek into one key player: ghrelin, your body's internal food radar. We’ll explore why it ramps up cravings, how to calm it, and how one simple breakfast swap helped one patient bring their pre-diabetic A1C back into a healthy range.

References

Get Your FREE 3-Day Hunger Hormone Reset Mini Video Series

Audio Stamps

01:32 - Dr. Rentea introduces her FREE 3-Day Hunger Hormone Reset Mini Video Series, which condenses a decade of experience into three short videos and PDF guide.

04:10 - Today’s episode focuses on the hunger hormone ghrelin, which drives hunger and heightens food awareness.

05:33 - Discover three key factors which can increase ghrelin levels.

07:42 - Learn why prioritizing protein at breakfast (and every meal) is crucial for managing hunger hormones.

10:00 - The difference between eating at early hunger versus late hunger and why timing matters.

11:23 - Additional strategies like food pairing and reducing ultra-processed foods to optimize ghrelin.

Join The Next Chapter, a five-month experience to make space for your health, work toward a meaningful goal, and have some fun along the way—get the details and enroll here by October 30th.

Not Sure Where to Start With the Podcast? I’ve Got You.

Support the show

Your Friday Five: A Walk, a Mug Cake, and a Wake-Up Call Jul 18, 2025

Show notes

Send a Text Message. Please include your name and email so we can answer you! Please note, this does not subscribe you to our email list, it's just to answer if you have a questions for us.

In today’s quick Friday Five, Dr. Matthea shares a powerful quote that’s stuck with her for months: “Sometimes it has to be more painful to stay the same than it is to change.” Whether it’s nighttime snacking, movement motivation, or getting stuck in a rut with meals, this episode explores how discomfort can actually be your biggest catalyst for growth.

You’ll hear:

Why emotional eating often surfaces in the evening
Four practical strategies to approach nighttime snacking
How Dr. Matthea uses discomfort as a signal for change
A peek into her favorite protein mug cake recipe using Devotion Nutrition (use code DrMatthea at checkout to save on devotionnutrition.com)

Tune in for a mindset shift that could spark your next breakthrough—plus an easy recipe you’ll want to try this weekend!

Join The Next Chapter, a five-month experience to make space for your health, work toward a meaningful goal, and have some fun along the way—get the details and enroll here by October 30th.

Not Sure Where to Start With the Podcast? I’ve Got You.

Support the show

The Perfectionism Trap: Why 5 Minutes Matters More Than You Think Jul 14, 2025

Show notes

Send a Text Message. Please include your name and email so we can answer you! Please note, this does not subscribe you to our email list, it's just to answer if you have a questions for us.

You know the feeling: you start a new health habit with enthusiasm, but within days (or hours), that inner voice kicks in. "This five-minute walk doesn't even count." "Why bother with one vegetable when I should be meal prepping for the entire week?" "If I can't do it perfectly, I might as well not do it at all."

If that sounds familiar, you're caught in the perfectionism trap—and it's quietly sabotaging every health goal you set. The problem isn't your lack of willpower or motivation. It's that you've been conditioned to believe that anything less than perfect isn't worth doing. So you end up doing nothing, stuck in an endless cycle of elaborate plans that never get started and ambitious goals that always fall short.

But what if those "insignificant" five-minute moments were actually the secret to lasting change? What if good enough was not only okay—but the key to everything you want?

In this episode, I break down why perfectionism is the real enemy of progress and share two powerful strategies that will transform how you think about health habits.

References

Kara Loewentheil: Perfectionist Fantasies + Tomorrow Thinking

Atomic Habits by James Clear

Audio Stamps

00:30 - Dr. Rentea defines perfectionism as "never good enough" and explains why 99% of people dismiss their health progress and set unrealistic goals.

02:58 - The farmer analogy: How five-minute health actions accumulate like harvesting crops to fill your wellness "pantry" over time.

07:20 - "Don't miss it twice" - the key strategy for maintaining health momentum when life gets in the way.

12:52 - How to go from "passive action" (consuming content) to "massive action" (actually implementing one small change).

15:48 - James Clear's insights on what prevents people from reaching potential: lacking courage, trying to please everyone, and dividing attention between too many goals.

Join The Next Chapter, a five-month experience to make space for your health, work toward a meaningful goal, and have some fun along the way—get the details and enroll here by October 30th.

Not Sure Where to Start With the Podcast? I’ve Got You.

Support the show

Your Friday Five: Build the Perfect Travel Medicine Kit Jul 11, 2025

Show notes

Send a Text Message. Please include your name and email so we can answer you! Please note, this does not subscribe you to our email list, it's just to answer if you have a questions for us.

Headed out for summer adventures? This week’s Your Friday Five is your guide to creating a simple, powerful medicine travel kit—perfect for anyone on GLP-1s or just prone to nausea, headaches, or tummy trouble. Dr. Matthea shares what she personally packs (and rarely needs—but is always grateful to have!), including Tylenol, Pepcid, Zofran, Imodium, stool softeners, and even the trick of using alcohol pads for sudden nausea relief.

She walks you through how to personalize your kit, when to involve your doctor, and why the smallest zip-top bag might just save your vacation.

✈️ Keep this episode handy before your next trip!

🔗 Mentioned: Don’t forget to register soon for the September 30/30 Program — details in the show notes!
Please not, no medical advice is being given on this podcast. Please talk to your medical team before making any changes to your health regimen.

Join The Next Chapter, a five-month experience to make space for your health, work toward a meaningful goal, and have some fun along the way—get the details and enroll here by October 30th.

Not Sure Where to Start With the Podcast? I’ve Got You.

Support the show

BONUS: Staying True to Fat Liberation While Caring for Your Health with Kacee M Markarian LMFT Jul 07, 2025

Show notes

Send a Text Message. Please include your name and email so we can answer you! Please note, this does not subscribe you to our email list, it's just to answer if you have a questions for us.

Too often, conversations about health start and stop with weight loss. There’s little room for anything else—like metabolic health, quality of life, or what it actually feels like to live in your body. That narrow focus leaves so many people feeling stuck, frustrated, or invisible—especially when they’re doing all the “right” things, and nothing changes.

And for those who’ve worked hard to unlearn diet culture—to separate health from weight—medication can bring up a whole new kind of conflict. It can feel like you’re betraying your values just to feel better. But what if taking care of your health didn’t mean shrinking your body or giving up your beliefs?

In this episode, psychotherapist Kacee Markarian shares her personal story of navigating fatty liver disease, GLP-1 medication, and life in a fat body—while staying rooted in fat liberation. Her journey reveals what it actually looks like to care for your health on your own terms, from dealing with food noise and medical gaslighting to finding body neutrality in a world obsessed with the wrong metrics.

References

https://copperunionapparel.com/

Audio Stamps

01:09 - Psychotherapist Kacee Markarian shares her journey with fatty liver disease, GLP-1 medication, and the complex emotions of body change while staying committed to fat liberation.

07:50 - Casey reflects on how body changes affected her place in the fat liberation community.

09:35 - Kacee opens up about the complexity of navigating fat liberation while using GLP-1 medications for health, not weight loss.

20:02 - Two sides of food freedom: Kacee and Dr. Rentea share completely different experiences with how GLP-1s changed their relationship to eating.

24:13 - Challenging internalized shame, recognizing the power of medication, and redefining success through neutrality.

32:25 - Kacee’s advice for anyone caught between wanting health and refusing diet culture.

Join The Next Chapter, a five-month experience to make space for your health, work toward a meaningful goal, and have some fun along the way—get the details and enroll here by October 30th.

Not Sure Where to Start With the Podcast? I’ve Got You.

Support the show

Why Your Body Was Never the Problem with Kacee M Markarian LMFT Jul 07, 2025

Show notes

Send a Text Message. Please include your name and email so we can answer you! Please note, this does not subscribe you to our email list, it's just to answer if you have a questions for us.

Every day, people in larger bodies face relentless messages that something is fundamentally wrong with them. From airplane seats that don't fit, to doctors who blame every health issue on weight, the shame runs so deep that many abandon their own needs—believing it's their fault.

What if the problem was never your body, but a society that profits from your self-hatred?

In this episode, I’m joined by psychotherapist Kacee Markarian, who reveals how to break free from internalized shame while caring for your health. From understanding ADHD-binge eating connections to setting "thought boundaries," she shows what it looks like to reclaim your brain and adorn your vessel—regardless of your size. This work isn't about becoming a better version of yourself. It's about discovering that you were never broken to begin with.

References

https://copperunionapparel.com/

https://www.dopaminingdemystified.com/

https://www.queerapy.com/

Audio Stamps

00:30 - Dr. Rentea introduces psychotherapist Kacee Markarian, who specializes in fat liberation and ADHD-binge eating connections.

02:00 - Kacee shares her evolution accepting medical terms like "obesity" as conditions rather than identity markers.

05:12 - Discussion on navigating the conflict between health goals and body acceptance.

09:49 - Kacee reframes daily frustrations like airplane seats as systemic failures rather than personal problems.

19:45 - Kacee explains ADHD and binge eating connections, describing how dopamine dysfunction drives food-seeking behavior as nervous system regulation.

26:20 - Kacee introduces "thought boundaries" as tools for challenging negative self-talk and internalized beliefs.

34:33 - Practical tips for body reconnection through proper clothing and establishing boundaries around body comments.

Join The Next Chapter, a five-month experience to make space for your health, work toward a meaningful goal, and have some fun along the way—get the details and enroll here by October 30th.

Not Sure Where to Start With the Podcast? I’ve Got You.

Support the show

Your Friday Five: Celebrations Without the Spiral Jul 04, 2025

Show notes

Send a Text Message. Please include your name and email so we can answer you! Please note, this does not subscribe you to our email list, it's just to answer if you have a questions for us.

Join The Next Chapter, a five-month experience to make space for your health, work toward a meaningful goal, and have some fun along the way—get the details and enroll here by October 30th.