Why You Can’t Stop Eating Sugar And Ultra Processed Foods with Dr Jen Unwin #652

Apr 28, 2026 Episode Page ↗
Overview

Dr. Jen Unwin, a clinical psychologist, discusses food addiction, explaining how sugar and ultra-processed foods affect the brain like other addictive substances. She shares the CRAVED self-assessment tool and practical strategies for regaining control, emphasizing that it's not a willpower problem but an addiction requiring specific approaches.

At a Glance
14 Insights
2h Duration
20 Topics
8 Concepts

Deep Dive Analysis

Introduction to Food Addiction and Willpower

Controversy and Nuance of Food Addiction

Evolutionary Perspective on Eating and Modern Food Environment

Empowerment and Responsibility in Food Addiction Recovery

Importance of Formal Recognition for Food Addiction

Common Problematic Foods and Their Addictive Properties

Addiction Beyond the Substance: Behavior and Emotions

Individualized Approaches to Food Restriction

Childhood Exposure to Sugar and Brain Wiring

Recognizing Food Addiction: The CRAVED Questionnaire

Strategies for Changing Problematic Food Relationships

Handling Social Pressure and Slip-Ups

Cold Turkey vs. Gradual Reduction in Food Addiction

Holistic Recovery: Beyond Just Food

Hope and Transformation in Later Life

Addressing Challenges with Family and Home Environment

Community Support and Resources for Food Addiction

Impact of Early Life Feeding on Addiction

Understanding Cravings and Blood Sugar Regulation

The Role of Hope in Healthcare

Food Addiction

A compulsive habit around sugar and ultra-processed foods that lights up brain reward centers similar to nicotine and alcohol, leading to a loss of control despite negative consequences, distinct from a lack of willpower.

Ultra-Processed Food Use Disorder (UPFUD)

A proposed formal diagnostic term for food addiction, focusing on manufactured foods designed to be highly palatable and addictive, aligning with the 'substance use disorder' terminology in international disease classifications.

Bliss Point

The optimal combination of sugar, fat, and salt in processed foods, engineered by the food industry to make products maximally appealing and difficult to stop eating.

Dopamine Boost

The release of dopamine, a reward and motivation neurotransmitter, in the brain's primitive reward centers in response to substances like sugar, alcohol, and nicotine, driving a desire to repeat the behavior.

Tolerance (in addiction)

The need for increasing amounts of a substance (like sugar or ultra-processed foods) to achieve the same desired effect or feeling, a common symptom of addiction.

Frontal Lobes and Addiction

The brain's frontal lobes, responsible for rational thought and planning, can be 'cut off' or less active during intense cravings or consumption of addictive substances, making it difficult to think one's way out of addictive behavior in the moment.

Mental Contrasting

A technique for making behavioral changes by not only imagining best-case scenarios but also planning for potential obstacles and how to overcome them, rehearsing responses when your rational brain is active.

Hope (in healthcare)

A sense of a possible better future, combined with the belief in one's ability and motivation to take the necessary steps towards that future, significantly impacting coping, pain levels, medication use, and even longevity.

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Is food addiction a real problem, or is it just a lack of willpower?

It is not a willpower problem; sugar and ultra-processed foods light up the brain's primitive reward centers like other drugs, creating a powerful, primitive drive that willpower alone cannot overcome once addiction is established.

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Why is food addiction still controversial if it's so impactful?

It's controversial because people question how something necessary for survival can be addictive, but the argument is that it's not all food, but specific substances like sugar and ultra-processed foods, which are not essential and are designed to be addictive.

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Did food addiction exist in hunter-gatherer societies?

No, it likely did not exist because the food environment did not support such behavior; food was seasonal and required effort to obtain, so humans evolved to eat as much as possible when available, without needing an 'off switch.'

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Why is it important for food addiction to be formally recognized as a diagnostic condition?

Formal recognition legitimizes the harm it causes, increases self-sympathy and public understanding, enables funding for research and treatment, and ensures individuals receive appropriate care rather than being misdiagnosed or dismissed.

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What are the common foods that people develop problematic relationships with?

Common problematic foods are those with a combination of sugar, fat, refined grains, and salt, such as industrially made bread, pizzas, doughnuts, ice cream, cakes, biscuits, and tortilla chips, which are designed to hit a 'bliss point.'

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How does addiction extend beyond the substance itself?

Addiction is not just about the substance but also the associated behaviors, cues, social aspects, and emotional comfort, often triggered by emotional states or trauma, where food is used to fill a void or alter consciousness.

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How can someone assess if they have a problematic relationship with food?

Use the CRAVED questionnaire: C (cravings/compulsions), R (reaching for more/tolerance), A (activities neglected), V (volume loss of control), E (exclusion/withdrawal symptoms), D (continued use despite damage). Three or more symptoms may indicate addictive-like behavior.

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How long do physiological withdrawal symptoms from sugar and ultra-processed foods typically last?

Physiological withdrawal symptoms typically last about six to eight days, after which the body's physiology should adjust, though cravings may persist to some extent.

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How can parents reduce sugar intake in children without making them feel deprived?

Parents can control the home environment by not having problematic foods in the house, starting with healthy, unsweetened breakfasts, and involving children in cooking and making healthy food choices.

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Can continuous glucose monitors (CGMs) help with food addiction?

Yes, CGMs can be a useful tool, especially for a short trial, as they provide real-time feedback on how specific foods affect blood sugar, helping individuals identify triggers and maintain stable blood glucose, which can reduce cravings.

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Is it ever too late to change a problematic relationship with food?

No, it is never too late; people in their 60s and 70s have made significant improvements in mental and physical health by quitting sugars and ultra-processed foods, gaining energy and focus for other life activities.

1. Recognize Food Addiction as a Problem

Understand that compulsive habits around sugar and ultra-processed foods are real addictions, not just a lack of willpower, to foster self-sympathy and seek appropriate help.

2. Identify Your ‘Drogue Foods’

Be brutally honest and write down a list of specific foods that trigger loss of control, intense cravings, or lead to overconsumption, as these are the ones to address.

3. Plan Your Way Out of Addiction

Since cravings can shut down rational thought, plan your strategy for dealing with trigger foods and situations when your brain is clear, rather than trying to rely on willpower in the moment.

4. Establish a Guiding Motivation

Identify a deep, personal reason for wanting to change your relationship with food beyond just weight loss, such as playing with kids or being a good example, to sustain motivation through difficult times.

5. Engineer Your Home Environment

Remove problematic foods from your home or store them in locked containers to minimize visual cues and reduce the need for constant willpower, making it easier to stick to your plan.

6. Rehearse Responses for Social Situations

Practice what you will say to friends or family who offer problematic foods or question your choices, preparing a script to assert your boundaries and seek support.

7. Learn from Slip-Ups, Don’t Self-Criticize

If you overeat or consume problematic foods, analyze the contributing factors and what you could do differently next time, then get back on track immediately without self-blame.

8. Prioritize Protein and Healthy Fats

Ensure you are eating plenty of nutrient-dense foods, especially protein and healthy fats, to nourish your body and brain, which can help reduce cravings and support recovery.

9. Find Alternative Coping Mechanisms

Recognize that food might be used for comfort or to fill a void; develop other self-care strategies like exercise, yoga, or hobbies to deal with difficult emotions and prevent relapse.

10. Involve Children in Healthy Eating

Control the home food environment by not having problematic foods readily available and involve children in preparing healthy meals to foster better eating habits from a young age.

11. Connect Food Choices to Feelings

Help children understand the link between what they eat and how they feel (e.g., energy levels, skin breakouts) to empower them to make healthier choices as they grow.

12. Seek Community Support

Don’t try to tackle food addiction alone; find a support group, counselor, or community that understands and can provide guidance and encouragement.

13. Consider Cold Turkey for Certain Foods

For those with a ‘black and white brain’ or severe addiction, complete abstinence from trigger foods (cold turkey) might be more effective than gradual reduction, but consult a healthcare provider if on medication.

14. Use Continuous Glucose Monitors for Feedback

A CGM can provide real-time feedback on how specific foods affect your blood sugar, helping you identify triggers and stay motivated to keep blood sugar levels stable, reducing cravings.

One is too many, a thousand is never enough.

Dr. Jen Unwin

It's so not a willpower problem, just to say to people, because yes, people feel so self-blaming, don't they, and responsible for not being able to control what they eat.

Dr. Jen Unwin

We never needed an off switch for food. We always just needed an on switch motivated to go get.

Dr. Jen Unwin

It's not your fault that you have these struggles. But once you know the information that we're talking about today, then it can become your responsibility to do something different.

Dr. Jen Unwin

If you label this kind of behaviour as addictive...that label makes people more sympathetic to themselves. And it also makes us more sympathetic to others, because then we can understand a behaviour that, on the face of it, looks illogical.

Dr. Jen Unwin

Once you've wired the brain for addiction, however that started, all addictions look the same in the brain.

Dr. Jen Unwin

If you're not restricting something to a degree, you're probably going to be struggling with many aspects of your health.

Dr. Rangan Chatterjee

If it's an addiction problem, abstinence is the treatment.

Dr. Jen Unwin

You are the architect of your own health. Making lifestyle change is always worth it because when you feel better, you live more.

Dr. Rangan Chatterjee

CRAVED Self-Assessment for Food Addiction

Dr. Jen Unwin
  1. C (Cravings and Compulsions): Do you have cravings or compulsions for certain foods that feel so strong you struggle to resist them?
  2. R (Reaching for More): Do you need more and more of a food to get the same desired effect (tolerance), like needing to eat half a packet of biscuits instead of just a couple?
  3. A (Activities Neglected): Does preoccupation with food start to fill up your life, causing you to neglect family, hobbies, or work, or engage in secrecy around food?
  4. V (Volume Loss of Control): Do you lose control over the amount of food you consume, eating much more than intended once you start?
  5. E (Exclusion/Withdrawal Symptoms): Do you experience withdrawal symptoms (shakiness, headaches, GI problems, sleep/mood issues) when you try to quit certain foods?
  6. D (Continued Use Despite Damage): Do you continue to use problematic foods despite knowing they are causing you physical or mental harm (e.g., type 2 diabetes, depression)?
6-8 days
Typical duration for physiological withdrawal from sugar and ultra-processed foods For the physiological withdrawal phase, after which physiology should adjust, though cravings may persist.
14%
Prevalence of food addiction in the general adult population in the UK Based on symptoms similar to substance use disorder, affecting over 6 million adults.
6 million
Estimated number of adults in the UK with food addiction Derived from the 14% prevalence rate in the general population.
7 times
Increased likelihood of having type 2 diabetes if you have a food addiction Based on studies linking food addiction to increased risk of type 2 diabetes.
52
Dr. Jen Unwin's age when she fully understood her food addiction She put together the understanding of her own lifelong struggles with food addiction at this age.
67
Dr. David Unwin's current age Dr. Jen Unwin's husband, who is now fitter than ever.
30+ years
Dr. Jen Unwin's experience as a clinical psychologist Her duration of practice in the field.