No shame in the game.
When we talk about the neurobiology of eating disorders, we are talking about what is happening deep inside the brain — not about vanity, food obsession, or a lack of willpower. Eating disorders are serious, complex mental health conditions with biological, psychological, and social roots. And yet, they remain one of the most misunderstood and stigmatized conditions in mental health care.
At Zen Mental Health, we want to change that — one conversation at a time.
What Eating Disorders Actually Are
Eating disorders are not lifestyle choices or phases. They are recognised psychiatric conditions that affect how a person thinks, feels, and behaves around food, their body, and themselves.
The most commonly known include:
- Anorexia Nervosa — severely restricting food intake, often driven by an intense fear of weight gain
- Bulimia Nervosa — cycles of binge eating followed by purging behaviours
- Binge Eating Disorder — recurrent episodes of eating large amounts of food, often accompanied by shame and distress
- ARFID (Avoidant/Restrictive Food Intake Disorder) — extreme avoidance of food unrelated to body image concerns
Each of these conditions is distinct. But all of them involve the brain — not just the plate.
Understanding the Neurobiology of Eating Disorders
What is actually happening in the brain?
The Reward System
The brain’s reward system — centred around dopamine — plays a significant role in eating disorders. In individuals with anorexia, research has shown that restrictive eating can trigger feelings of calm and control rather than distress. The brain essentially begins to reward the behaviour, making it deeply reinforcing and difficult to break.
In binge eating disorder, the reward response to food becomes dysregulated — leading to compulsive eating episodes that feel impossible to control, even when the person desperately wants to stop.
Serotonin and Mood Regulation
Serotonin — the neurotransmitter closely linked to mood, appetite, and impulse control — is consistently found to be dysregulated in people with eating disorders. Low serotonin activity is associated with increased impulsivity and anxiety, both of which are closely linked to bulimic behaviours.
Brain Structure and Function
Neuroimaging studies have shown structural and functional differences in the brains of people with eating disorders — particularly in areas related to body perception, self-evaluation, and emotional processing. This helps explain why someone with anorexia can look in a mirror and genuinely see something different from what others see. It is not self-deception. It is neurobiology.
Genetics
Research suggests that eating disorders have a significant genetic component. Having a first-degree relative with an eating disorder substantially increases a person’s risk. This is not destiny — but it is biology, and it deserves to be taken seriously.
Why This Matters: Removing the Shame
Understanding the neurobiology of eating disorders matters because it shifts the conversation from blame to biology.
Eating disorders are not:
- A diet gone wrong
- Attention-seeking behaviour
- A result of bad parenting
- A sign of weakness or vanity
- A choice
They are medical conditions involving measurable changes in brain chemistry, structure, and function. They deserve clinical attention, not judgment.
In Kenya, eating disorders are underdiagnosed and often invisible — overshadowed by the misconception that they are a “Western” problem or a concern only for young women. In reality, eating disorders affect people of all genders, ages, and backgrounds.
Signs That Someone May Need Support
Because eating disorders are often hidden, knowing what to look for matters:
- Extreme concern or preoccupation with weight, food, or body shape
- Avoiding meals or making excuses not to eat with others
- Noticeable weight loss or fluctuation
- Eating very large amounts of food in short periods
- Visiting the bathroom immediately after meals
- Excessive exercise driven by anxiety rather than enjoyment
- Mood changes, withdrawal, and irritability around mealtimes
- Physical signs: fatigue, dizziness, hair thinning, dental erosion
If you recognise any of these signs in yourself or someone you care about, please reach out. Early intervention significantly improves outcomes.
Recovery Is Possible
The neurobiology of eating disorders tells us these conditions are deeply rooted — but it also tells us they are treatable. With the right support, the brain can heal. Patterns can shift. Recovery is real.
At Zen Mental Health, Dr. Judy Kamau provides compassionate, evidence-based psychiatric care for individuals navigating eating disorders and related mental health challenges. You will not be judged here. You will be heard, supported, and guided — at your pace.
No shame in the game. Your healing matters.
We at Zen Health are passionate about you and your mental health. With our qualified team, we will walk your journey with you to feeling zen. Contact us today to book your appointment or to learn more. Call us on +254 721 609 967 or send us an email at info@zenhealth.co.ke.
