Can You Have an Eating Disorder at Any Body Size?
The short answer is yes. Eating disorders affect people of every body size, weight, age, gender, and background. But the longer answer matters — because the myth that eating disorders only affect thin people is one of the reasons so many people go undiagnosed, undertreated, or dismissed for years.
If you or someone you love has been told "you don't look like you have an eating disorder," this post is for you.
What Eating Disorders Actually Are
Eating disorders are serious mental health conditions — serious mental illnesses, not lifestyle choices, phases, or failures of willpower. There are several types of eating disorders, and all of them can affect people at any body size. A comprehensive Lancet review establishes that eating disorders are defined by disturbed attitudes toward weight and shape — not by body weight.
This distinction matters. A person's body size is not the disorder. The disorder lives in the thoughts, feelings, and behaviors that cause significant distress and interfere with daily life — regardless of what the scale says.
A current JAMA review confirms that physiologic disturbances occur across all eating disorders and that comprehensive evaluation must precede diagnosis — independent of weight. In other words, weight is not a diagnostic criterion for most eating disorders. It is a data point, and not the most important one.
The Most Common Eating Disorders — and What They Look Like at Any Size
Binge eating disorder
Binge eating disorder (BED) is the most common eating disorder in the United States. It involves recurrent binge eating episodes — eating large amounts of food in a short time, feeling out of control during binge eating, and experiencing significant distress afterward — without using compensatory behaviors like purging or excessive exercise.
BED occurs across all body sizes. Because it is not associated with a specific body weight, it is frequently overlooked — both by patients who don't recognize their eating behaviors as an eating disorder and by healthcare professionals who may not think to screen for it. People with BED often struggle in silence for years before receiving appropriate mental health support, even though evidence-based treatment for eating disorders can be highly effective. This makes it one of the most underdiagnosed and undertreated of the common eating disorders.
Bulimia nervosa
Bulimia nervosa involves cycles of binge eating followed by compensatory behaviors — purging, excessive exercise, fasting, or misuse of laxatives — in an effort to control weight. Research consistently finds bulimia nervosa distributed across the weight spectrum — patients frequently carry higher body weights, and the disorder occurs at normal weight and all other weight ranges. Someone living with bulimia nervosa is often at a "normal" weight, which means the physical signs of the disorder may be invisible to others.
The medical complications of bulimia — including electrolyte imbalances, damage to tooth enamel, and esophageal injury — can be severe regardless of body size. Weight does not protect against physical harm.
Anorexia nervosa and atypical anorexia nervosa
Anorexia nervosa is characterized by severe restrictive eating, an intense fear of gaining weight, and a distorted perception of one's body. Its core features — the restrictive food intake, the fear, the distorted body image — are what define the disorder, not a number on a scale. The DSM-5 removed the requirement of a specific low body weight as a diagnostic criterion — a significant change that opened the door to recognizing eating disorders across body sizes.
Atypical anorexia nervosa (AAN) describes a condition in which a person experiences all the psychological and physical hallmarks of anorexia — the restrictive eating patterns, the fear, the distorted body image, the medical complications — but their current weight falls in the "normal," overweight, or higher range, often because they lost significant weight from a higher starting point.
A systematic review confirms that malnutrition sequelae — including bone loss, cardiac complications, and nutritional deficiencies — occur across underweight, normal-weight, and higher-weight bodies. The malnutrition is real. The medical risk is real. The eating disorder is real. These patients need the same careful medical care as patients in any other presentation.
A 2026 proposal formally defines AAN as an "anorexia nervosa–like eating disorder with weight in the normal or above-normal range", giving clinicians clearer guidance to diagnose and treat people who would otherwise be missed — because they don't "look" like they have anorexia.
The AAP clinical guideline states that patients with AAN at a "healthy" or higher BMI may be overlooked despite experiencing the same severe medical complications as underweight patients. The guideline also addresses the role of weight stigma in this oversight — the assumption that someone in a larger body cannot be malnourished or medically compromised by their eating patterns.
Other eating disorders
Avoidant/restrictive food intake disorder (ARFID) — also called avoidant restrictive food intake disorder — involves extreme selectivity or restriction in food intake driven by sensory sensitivity, fear of choking or vomiting, or lack of interest in eating — not by body image concerns. ARFID can cause significant nutritional deficiencies and problems with proper nutrition at any body weight, and often benefits from specialized eating disorder treatment with a multidisciplinary team.
Purging disorder and other specified feeding and eating disorders (OSFED) also occur across body sizes. Rumination disorder involves repeatedly regurgitating food and can affect people of any weight.
Why Eating Disorders Are Missed in Larger Bodies
The bias in screening
The USPSTF evidence review finds that BMI-based screening preferentially detects anorexia — leaving eating disorders without overt physical signs unrecognized in primary care. When a clinician only thinks to screen for an eating disorder in a patient who "looks" like they might have one, patients across the weight spectrum go undetected — often for years, without appropriate mental health treatment or medical care for their symptoms.
The epidemiology is the opposite of the stereotype
A population study of approximately 10,000 people found eating disorder prevalence highest among people with obesity (12.3%) compared to normal weight (5.5%), with three times higher adjusted odds. Eating disorders are not a thin person's problem. They are, statistically, more common in higher-weight bodies — and those are the bodies that are least likely to be screened or to have their symptoms recognized.
Weight stigma as a barrier
Weight stigma shapes how healthcare professionals respond to patients in larger bodies — and how those patients experience the health care system. When someone in a larger body presents with disordered eating, they may be praised for restriction, told their eating behaviors are appropriate given their size, or sent away with weight loss advice rather than an eating disorder referral. Body image issues that would prompt concern in a thinner patient are sometimes dismissed or overlooked entirely. A systematic review confirms that eating disorders are frequently missed in higher-weight populations despite shared risk factors — including weight teasing, body dissatisfaction, and loss-of-control eating.
From the Therapist
"Some of the most painful stories we hear from clients involve being turned away or dismissed — a doctor who praised their restriction as discipline, or a person who spent years believing their experience didn't count as an eating disorder because of their size. We see this across all the eating disorders we treat. Eating disorders do not have a required appearance. They have diagnostic criteria. And those criteria apply regardless of body size or body weight."
Who Is at Risk
Eating disorders can affect anyone. Risk factors include:
Body image concerns — persistent dissatisfaction with body shape, body weight, or appearance
History of dieting — even as a child or teenager
Weight teasing or bullying — from peers or family members
Trauma — including adverse childhood experiences
Family history of eating disorders, anxiety, or depression
Perfectionism or rigid thinking about food, control, or self-worth
Social and cultural pressure — including pressure to lose weight from healthcare professionals
Other mental health conditions — including anxiety, depression, and substance abuse
Eating disorders occur across genders, ethnicities, socioeconomic backgrounds, and body sizes. They are slightly more prevalent in young adulthood but affect people at every life stage. They are serious illnesses — life-threatening in some cases — not a phase, and not a choice. With the right mental health treatment and medical care, full recovery from eating disorders is possible. Lasting recovery is achievable, and many people who once struggled with eating disorders go on to live full, healthy lives.
If you're not sure whether what you're experiencing "counts," consider this:
From the Therapist
"To anyone reading this in a larger body and wondering if their experience counts: it does. The restriction counts. The fear around food counts. The distress about your body counts. You do not have to reach a certain weight before your suffering is real or before you deserve treatment. If you recognize yourself here, please reach out — to us, to a therapist, to the NEDA helpline. You deserve care."
Getting Help for an Eating Disorder at Any Body Size
If you recognize yourself or someone you love in what you've read here, the most important thing to know is: help is available, and full recovery is possible regardless of your current body size. Eating disorders are serious mental health conditions — but they are treatable. The first step is seeking treatment from a provider who understands that eating disorders occur at every body size, such as the Baltimore Therapy Group, which offers inclusive care for a range of concerns.
What to look for in a provider
Look for a therapist or treatment team that understands the benefits of individual therapy for concerns like anxiety and depression and can integrate that expertise into eating disorder care.
Uses weight-inclusive or Health at Every Size (HAES)–informed approaches, whether in in-person therapy or telehealth settings
Does not make weight loss a goal of eating disorder treatment
Understands that medical monitoring is necessary regardless of body size
Provides compassionate support without judgment about body shape or body weight, using evidence-based modalities like Cognitive Behavioral Therapy (CBT) and Dialectical Behavior Therapy (DBT) when appropriate
Warning signs to take seriously
These eating disorder warning signs apply regardless of body size:
Preoccupation with food, calories, or eating patterns that takes up significant mental space
Fear of certain foods or food groups
Restricting food intake, skipping meals, or avoiding eating with others
Binge eating episodes with loss of control
Compensatory behaviors after eating (purging, excessive exercise, fasting)
Significant distress about body image
Withdrawing from social events because of food concerns
If any of these describe your experience, please reach out for support. An eating disorder does not have to look a certain way to deserve treatment. You do not have to be at a certain weight to seek treatment or deserve care. Lasting recovery starts with asking for help.
From the Therapist
"One thing we want to be direct about: eating disorders that aren't recognized aren't treated. And untreated eating disorders can be life threatening — regardless of the body they're in. If someone's relationship with food, eating, or their body is causing them significant distress or interfering with their daily life, that warrants a conversation with a mental health professional. The body size question is a distraction from the real question, which is: is this person suffering?"
The therapists at the Baltimore Therapy Group provide compassionate, weight-inclusive support for people with eating disorders, disordered eating, and body image concerns in Towson, Roland Park, Canton, and Federal Hill. You can learn more about their experienced therapists, explore their comprehensive counseling services, or read about other practitioners on the team. Schedule an appointment to get started, or visit their scheduling page for details on how to book a session.
Not sure where to start?
Talk to a Baltimore therapist who can work with you.
Disclaimer: This article is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Eating disorders are serious medical conditions requiring professional evaluation. If you or someone you love is struggling with an eating disorder, please reach out to the National Eating Disorders Association (NEDA) helpline at 1-800-931-2237, or text "NEDA" to 741741. If you are in crisis or experiencing thoughts of self-harm, please call 988 (Suicide and Crisis Lifeline) or go to your nearest emergency room.