ARFID: More Than “Picky Eating”

Understanding Avoidant/Restrictive Food Intake Disorder through a neurodiversity-affirming lens

For some people, eating is simple: they get hungry, choose something they enjoy, eat it, and move on.

For others, food can be complicated.

A certain texture may feel unbearable. A smell may immediately trigger nausea. A familiar food suddenly being presented differently can make it feel impossible to eat. Someone may genuinely want to eat but feel unable to take the next bite. Others may have very little internal sensation of hunger and simply forget to eat until they are exhausted.

When these patterns become persistent and begin affecting nutrition, health, relationships, school, work, or daily life, they may be more than ordinary picky eating. They may be signs of Avoidant/Restrictive Food Intake Disorder (ARFID).

ARFID is a legitimate eating disorder recognized in the DSM-5. Unlike anorexia nervosa, ARFID is not driven by a desire to lose weight or change one's body shape. Instead, restriction may develop because of sensory sensitivities, fear of an aversive consequence, or a limited interest in food.

At The Refuge, we believe understanding the why behind eating difficulties matters. For neurodivergent individuals especially, food-related challenges may be connected to sensory processing, interoception, anxiety, executive functioning, or previous difficult experiences with eating.

What Is ARFID?

ARFID involves persistent avoidance or restriction of food that results in significant difficulty meeting nutritional or energy needs and/or meaningful interference with daily functioning.

Clinically significant ARFID may involve:

• A very limited range of accepted foods

• Eating very small amounts

• Significant nutritional deficiencies

• Weight loss or difficulty maintaining expected growth

• Dependence on nutritional supplements or tube feeding

• Significant anxiety surrounding eating

• Avoidance because of fear of choking, vomiting, gagging, or another unpleasant consequence

• Extreme sensitivity to textures, smells, temperatures, appearances, or other characteristics of food

• Very little interest in eating

• Avoidance that significantly interferes with social activities, school, work, or family life

Importantly, someone does not have to be underweight to experience a serious eating disorder. Eating disorders can occur across body sizes, and ARFID can create nutritional and psychosocial impairment even when someone's weight appears relatively stable.

ARFID Is Not Simply “Being Picky”

Almost everyone has foods they dislike.

Children may go through periods of selective eating. Adults may have strong food preferences. Someone might hate mushrooms, refuse certain textures, or prefer to eat the same breakfast every morning.

That alone does not mean someone has ARFID.

The difference is generally severity, persistence, and impact.

A person with ARFID may experience such a narrow range of safe or acceptable foods that eating becomes increasingly difficult. Their food repertoire may shrink over time rather than expand.

For some, the question isn't:

“Do I like this food?”

It is:

“Can my nervous system tolerate this food?”

That distinction matters.

Three Common ARFID Profiles

ARFID doesn't look exactly the same in everyone. Current clinical models commonly describe three overlapping drivers.

1. Sensory Sensitivity

Food may be difficult because of its sensory characteristics:

• Texture

• Smell

• Taste

• Temperature

• Appearance

• Sound

• How foods feel in the mouth

For someone with sensory sensitivities, a food that seems completely ordinary to another person may create a genuinely overwhelming experience. Research examining ARFID in autistic children and young people has found sensory sensitivity to be a particularly common driver of food restriction.

2. Fear of Aversive Consequences

Sometimes restriction develops following—or in anticipation of—something frightening or uncomfortable.

Examples include fear of:

• Choking

• Vomiting

• Gagging

• Allergic reactions

• Stomach pain

• Getting sick

• Difficulty swallowing

After a frightening experience, the brain may begin associating food with danger.

Avoiding the food can temporarily reduce anxiety, which unfortunately can make the avoidance pattern stronger over time.

3. Lack of Interest in Food

Some people simply don't experience strong hunger or interest in eating.

This can be especially challenging when combined with:

• ADHD

• Interoceptive differences

• Busy schedules

• Executive functioning difficulties

• Hyperfocus

• Depression or anxiety

• Difficulty recognizing internal body signals

  
  

Someone may genuinely realize hours later:

“I haven't eaten anything today.”

This isn't necessarily a matter of laziness or lack of caring. Their internal hunger cues may not reliably prompt eating.

ARFID and Neurodivergence

ARFID and neurodivergence frequently overlap.

Research has identified significant associations between ARFID and autism, ADHD, and anxiety, although the relationship is complex and not everyone who is neurodivergent will develop ARFID.

For autistic individuals, sensory differences can make certain foods particularly challenging. For people with ADHD, executive functioning differences may contribute to forgetting meals, difficulty planning food, or becoming overwhelmed by the steps involved in preparing something to eat.

There may also be differences in interoception—the ability to notice and interpret internal bodily sensations such as hunger, fullness, nausea, thirst, or fatigue.

This creates an important shift in perspective:

Instead of asking, “Why won't they eat?”we can ask:

“What is making eating difficult for this person?”

That question opens up far more useful possibilities.

Anxiety Can Make the Cycle Stronger

ARFID can create a cycle that looks something like this:

Food → anxiety/discomfort → avoidance → immediate relief → stronger avoidance → fewer safe foods → greater anxiety

For example, imagine a child becomes frightened after choking on a piece of food.

The next time that food appears, they become anxious.

They refuse it.

The anxiety decreases.

Their brain learns:

Avoiding this food made me safer.

The next exposure may produce even more anxiety.

This is one reason simply saying “Just take a bite” often doesn't address the underlying problem.

The nervous system has learned that avoidance provides relief. Treatment needs to help create a new learning experience.

Why “Just Try It” Isn't Always Helpful

Families are often exhausted by food struggles.

Parents may hear:

• “They're just being difficult.”

• “If they're hungry enough, they'll eat.”

• “You need to be stricter.”

• “Stop making separate meals.”

• “They're manipulating you.”

These responses can increase shame, conflict, and anxiety around eating.

At the same time, completely accommodating every avoidance can unintentionally allow the restricted food repertoire to become smaller.

The goal isn't force versus accommodation. The goal is supportive, structured flexibility.

That may mean creating predictable routines, reducing unnecessary sensory demands, offering appropriate choices, and gradually building tolerance for new experiences with a qualified treatment team.

What Does ARFID Treatment Look Like?

ARFID treatment should be individualized because the underlying driver matters.

Evidence-based approaches include Cognitive Behavioral Therapy for ARFID (CBT-AR) and family-based approaches for appropriate children and adolescents. CBT-AR uses gradual exposure, nutritional rehabilitation, and strategies tailored to the person's specific ARFID profile.

Treatment may involve several professionals, including:

• Therapist

• Registered dietitian

• Primary care provider or pediatrician

• Psychiatrist when appropriate

• Occupational therapist

• Speech-language pathologist when swallowing or feeding mechanics are involved

A multidisciplinary approach can be particularly important when nutritional deficiencies, growth concerns, sensory differences, or medical complications are present.

At The Refuge, psychotherapy can be part of that larger picture. We can help clients explore the anxiety, avoidance, emotional regulation, neurodivergence, shame, family dynamics, and relational patterns surrounding eating while coordinating with appropriate medical and nutritional providers when needed.

Neurodiversity-Affirming ARFID Treatment

A neurodiversity-affirming approach does not mean ignoring nutritional needs or avoiding therapeutic challenges. It means understanding the person before deciding what the problem is. For example:

Instead of:

“You need to stop being so rigid.”

We might explore:

“What specifically makes this food difficult?”

Is it the texture?

The smell?

The unpredictability?

The temperature?

The fear of choking?

The expectation surrounding the meal?

The social pressure?

The transition away from a preferred activity?

The lack of hunger?

The sensory overload that has already accumulated throughout the day?

The answer changes the intervention.

Behavior is communication.

Sometimes food refusal is communicating sensory overload, anxiety, fear, lack of interoceptive awareness, or an overwhelmed nervous system.

What Parents and Partners Can Do

If someone you love is struggling with restrictive eating, your relationship with them matters.

A few helpful principles:

Reduce shame

Avoid making the person feel defective, difficult, dramatic, or childish.

Increase curiosity

Instead of:

“Why won't you eat this?”

Try:

“What makes this food hard right now?”

Separate the person from the problem

ARFID is something a person is experiencing—not a character flaw.

Avoid turning every meal into a battle

Constant conflict can make food increasingly associated with stress.

Build predictability

Predictable routines can be especially helpful for people who experience anxiety or executive functioning challenges.

Celebrate progress differently

Progress may not mean eating an entire unfamiliar meal.

It might mean:

• Looking at a new food

• Tolerating it on the plate

• Smelling it

• Touching it

• Allowing it nearby

• Trying a tiny amount

• Returning to a previously tolerated food

• Recovering after an uncomfortable experience

Small steps are still steps.

What If You Think You Have ARFID?

You don't have to figure it out alone.

If eating has become increasingly stressful, your food choices have narrowed significantly, or you're experiencing nutritional, medical, social, or emotional consequences, consider talking with a qualified healthcare provider.

ARFID can have significant physical and psychological consequences, and early assessment can help determine what kind of support is appropriate.

And if you're neurodivergent, it is worth telling your treatment team. Understanding your sensory, executive functioning, interoceptive, and communication needs can help make treatment more accessible and effective.

You Are Not “Just a Picky Eater”

Food can be complicated.

For someone with ARFID, eating isn't necessarily about stubbornness, willpower, or being difficult. There may be a complex interaction between sensory processing, anxiety, learned associations, interoception, executive functioning, and the nervous system.

The goal isn't to force someone to become a person who loves every food.

The goal is to help them develop greater flexibility, adequate nutrition, reduced fear, increased tolerance, and a more sustainable relationship with eating.

And perhaps most importantly, treatment can help replace:

“What's wrong with me?”

with:

“What is my brain and body communicating, and what support do I need?”

That is a much more compassionate place to begin.

If ARFID Is Affecting Your Life

At The Refuge Marriage & Family Therapy, we provide neurodiversity-affirming therapy throughout Colorado via telehealth, with a particular focus on ADHD, autism, anxiety, relationships, trauma, and life transitions. If ARFID is part of a larger picture involving anxiety, neurodivergence, emotional regulation, family dynamics, or relationship stress, therapy may be one component of a broader treatment plan.

Because ARFID can involve significant nutritional and medical concerns, psychotherapy should be coordinated with appropriate medical and nutritional care when indicated.

If you are looking for support, we invite you to schedule a consultation to discuss your needs and determine whether The Refuge may be a good fit.

This article is for educational purposes and is not a substitute for medical, nutritional, or mental health diagnosis or treatment.