About the Author: 

Dr. Nicole Siegfried is a clinical psychologist and Certified Eating Disorder Specialist (CEDS) dedicated to transforming how we treat complex mental health conditions. As the Chief Clinical Officer at Lightfully, she focuses on evidence-based, compassionate care that treats the whole person, not just a diagnosis. 

Hello! I’m Dr. Nicole Siegfried. In my years of clinical practice, I have sat across from so many brave individuals who feel like they are fighting a war on two fronts. They aren’t just struggling with food; they’re also struggling with a constant, humming sense of dread.

If you feel like your relationship with food is tied to your nerves, or if you find that you can’t eat when you’re worried, or perhaps that you only feel calm when you’re restricting or over-exercising, you’re likely experiencing the deep connection between anxiety and eating disorders.

Today, I’m answering the most common questions I hear about how these two conditions overlap and what you can do to find peace. You deserve to understand your brain so you can finally lead your life with confidence.

Is there really a connection between anxiety and eating disorders?

Dr. Siegfried: Yes, there is a strong connection. Anxiety and eating disorders frequently co-occur. Many people who struggle with an eating disorder also experience an anxiety disorder at some point in their lives.

An anxiety eating disorder pattern often develops because food restriction or control can temporarily reduce anxious feelings. The behavior may bring short-term relief, but over time, it creates a cycle that reinforces both anxiety and disordered eating.

How does anxiety contribute to disordered eating?

Dr. Siegfried: Anxiety is about fear, uncertainty and a need for safety. Eating disorder behaviors can become coping strategies.

Here are six ways anxiety and eating disorders can be connected:

1. Control as a response to uncertainty

When life feels unpredictable, controlling food intake can feel stabilizing.

This may look like:

• Strict food rules
• Calorie counting
• Obsessive meal planning

The structure provides temporary comfort, even if it increases stress long-term.

2. Perfectionism and high standards

Many individuals with anxiety hold themselves to intense standards. This can extend to body image and eating habits.

Perfectionistic thinking may sound like:

• “I have to eat perfectly.”
• “I can’t make mistakes.”
• “If I lose control, everything falls apart.”

Perfectionism fuels both anxiety and eating disorder behaviors.

3. Social anxiety and body image concerns

Anxiety about being judged can increase focus on appearance.

Some people:

• Avoid eating in public
• Restrict before social events
• Feel intense shame about their body

The anxiety drives the eating behavior, which then reinforces the fear of judgment.

4. Anxiety-triggered appetite changes

Anxiety affects the nervous system. For some people, that means loss of appetite. For others, it leads to emotional or binge eating.

Common patterns include:

• Skipping meals due to nervousness
• Eating to soothe anxious feelings
• Feeling guilty after eating

These shifts can gradually turn into more serious eating disorder symptoms.

5. Obsessive thinking

Anxiety often includes rumination, repetitive, intrusive thoughts.

When this combines with food or body concerns, it may look like:

• Constant calorie calculations
• Replaying meals in your head
• Fear of weight gain despite reassurance

The mind becomes locked into a loop.

6. Avoidance of difficult emotions

Both anxiety and eating disorders can function as avoidance tools.

Instead of sitting with uncomfortable emotions, someone may:

• Restrict food
• Overexercise
• Binge and then feel shame

The behavior distracts from deeper feelings, but doesn’t resolve them.

Does anxiety cause eating disorders?

Dr. Siegfried: Anxiety alone doesn’t cause an eating disorder, but it’s a significant risk factor. Eating disorders are complex and influenced by genetics, personality traits, trauma, environment and mental health.

For many adults, anxiety appears first. Disordered eating develops as a coping mechanism. Over time, the behaviors become entrenched and harder to stop.

How can someone tell if it’s more than just stress eating?

Dr. Siegfried: Occasional stress eating is common. An eating disorder involves patterns that are persistent, distressing and disruptive.

Warning signs include:

• Feeling out of control around food
• Extreme guilt or shame after eating
• Rigid food rules
• Avoiding meals regularly
• Significant weight changes
• Thoughts about food interfering with daily life

If eating behaviors are increasing anxiety rather than relieving it, that’s important to pay attention to.

Can anxiety and eating disorders be treated together?

Dr. Siegfried: We absolutely must treat them together! This is the core of whole-person care. If we only treat the eating disorder but leave the anxiety unaddressed, the person is likely to go back to those old behaviors the next time life gets stressful.

At the same time, it’s hard to do deep anxiety work if your brain is malnourished. When the brain isn’t getting enough fuel, it actually becomes more anxious. It’s a biological cycle. We work on stabilizing your nutrition so your brain has the energy it needs to learn new, healthy ways to handle stress and fear.

What should someone do if this resonates with them?

Dr. Siegfried: First, take a breath. Recognizing a pattern is not a failure; it’s awareness.

Next steps may include:

• Talking openly with a trusted person
• Seeking a mental health assessment
• Reaching out to a treatment provider experienced in both anxiety and eating disorders

Early support makes a significant difference.

Find a new way forward with Lightfully

I want you to know that the heavy, racing feeling you carry every day doesn’t have to be your forever. You aren’t just a set of symptoms; you’re a whole person with dreams that are currently being crowded out by worry and food rules.

At Lightfully, we specialize in what we call whole-person-centered care. We don’t just put a Band-Aid on the eating disorder; we look deep into the anxiety and the why behind the behaviors. Our goal is to provide personalized treatment that sees the real you, the person who deserves to eat with joy and live without constant fear.

We offer a variety of levels of care, from Residential Treatment Centers, where you can completely reset, to Intensive Outpatient Programs that support you as you navigate your daily life. We’re dedicated to empowering people to take back their volume knob from anxiety. You have so much life left to live, and it’s my greatest joy to see people step out of the shadow of these conditions and into the light. You don’t have to do this alone; we’re ready when you are.

Change is possible. When you’re ready to take the first step, reach out to our Admissions