Article

IBS and Elimination Diets: Understanding Eating Disorder Risk (Part 3: Weight, Culture, and a Better Path Forward)

Published on Thursday, February 24, 2022
by Brooke Orr

Health & Wellness

Let’s Talk About the Elephant in the Room

Full disclosure—talking about weight can feel just as uncomfortable as discussing religion or politics at a dinner party.

But if we’re going to have an honest conversation about IBS, elimination diets, and eating disorder risk, we can’t avoid it.

Welcome back. If you’re just joining, this three-part series has explored how dietary changes—especially approaches like the Low FODMAP diet—can support symptom management, but also carry potential risks when not approached carefully.

In Part 3, we’re addressing something that lies beneath all of it: our culture’s relationshipwith weight—and how it affects the way we approach health.

The “Thin Ideal” and Why It Matters

We live in a culture that places a high value on thinness.

So much so that the term “thin ideal” was coined to describe the widespread belief that a thinner body is inherently better, healthier, and more desirable. Over time, many people begin to internalize this idea—meaning they not only recognize it, but actively strive to achieve it.

Here’s the problem:

Thinness is not the same thing as health.

And when weight, appearance, and health become intertwined, it can lead to behaviors that are not only unhelpful but harmful.

This is especially relevant for individuals with IBS, who may already be navigating dietary changes. It can become very easy for symptom management to blur into weight-focused behaviors.

When Weight Loss Becomes the “Solution”

There’s a common narrative that weight loss—often through dieting or increased exercise—is the answer to a wide range of health concerns.

But that narrative doesn’t hold up under scrutiny.

In many cases, chronic dieting and over-exercising can actually increase stress on the body, which may worsen IBS symptoms and contribute to other health concerns like:

Increased anxiety and stress
Hormonal disruption
Metabolic changes
Disordered eating patterns

And perhaps most importantly, long-term weight loss is not as sustainable as many believe.

Understanding Weight Cycling

Research has shown that a large percentage of individuals who lose weight regain it over time.

This pattern—losing weight and gaining it back repeatedly—is known as weight cycling.

Weight cycling is not a failure of willpower.

It’s a biological response.

The body is designed to protect itself from perceived deprivation, and repeated cycles of restriction can lead to changes in metabolism, hunger hormones, and overall health. Some research has even linked weight cycling to increased risk of certain chronic conditions, including gastrointestinal concerns.

Why This Matters for IBS and Low FODMAP

For individuals following dietary approaches such as the Low FODMAP diet, this context is critical.

The goal of these diets is to:

Identify trigger foods
Reduce symptoms
Expand the diet over time

They are not designed for weight loss.

But when cultural messaging around weight is layered onto a restrictive diet, it can shift the intention—and the outcome.

This is where awareness becomes a powerful tool.

A Different Approach: Health at Every Size® (HAES®)

So if weight isn’t the primary focus—what is?

The Health at Every Size® (HAES®) approach offers an alternative to weight-centered care.

Rather than focusing on body size, HAES emphasizes:

Supporting overall well-being
Respecting body diversity
Encouraging sustainable, flexible habits

At its core, this approach promotes:

Balanced, individualized eating based on hunger, fullness, and needs
Movement that feels good and accessible
Respect for all body shapes and sizes
Reducing weight stigma and bias in healthcare and society

For individuals managing IBS, this can be especially helpful—because it shifts the focus from control and restriction to support and sustainability.

Making This Practical

If this approach sounds great in theory but harder to apply in real life—you’re not alone.

Start small.

Notice how often weight or appearance influences your food choices
Focus on how foods make you feel, not just how they look on paper
Allow flexibility within structured approaches like Low FODMAP
Work with professionals who support both GI health and a balanced relationship with food

You don’t have to overhaul everything overnight. Small shifts can lead to meaningful change over time.

Final Thoughts

Managing IBS is complex.

And while nutrition plays an important role, more restriction is not always the answer—especially when it’s influenced by external pressures around weight and appearance.

By stepping back and looking at the bigger picture, you can approach symptom management in a way that supports both your physical health and your relationship with food.

If any part of this conversation feels difficult or triggering, that matters. Support is available, and reaching out is a strong and important step.

_{Association for Size Diversity and Health. (n.d.).}_{Health at Every Size® principles}_._{https://asdah.org}
_{Bacon, L., & Aphramor, L. (2011). Weight science: Evaluating the evidence for a paradigm shift.}_{Nutrition Journal, 10}_(9)._{https://doi.org/10.1186/1475-2891-10-9}
_{Gibson, P. R., & Shepherd, S. J. (2010). Evidence-based dietary management of IBS: The FODMAP approach.}_{Journal of Gastroenterology and Hepatology, 25}_{(2), 252–258.}
_{Mann, T., Tomiyama, A. J., Westling, E., Lew, A. M., Samuels, B., & Chatman, J. (2007). Medicare’s search for effective obesity treatments: Diets are not the answer.}_{American Psychologist, 62}_{(3), 220–233.}
_{National Eating Disorders Association. (n.d.).}_{Weight stigma & eating disorders}_._{https://www.nationaleatingdisorders.org}