Dr. Boz about the keto diet
27/05/2026
In this episode of Steven Bartlett’s podcast, the main discussion revolves around the ketogenic diet and how nutrition may affect both physical and mental health. The guest explains that the keto diet works by drastically reducing carbohydrates so the body stops relying mainly on glucose for energy and instead begins producing ketones from fat. According to the discussion, ketones can provide a steadier source of energy for the brain and body, which is why many people report fewer energy crashes, less hunger, and better concentration while following the diet.
A major part of the conversation focuses on the possible relationship between metabolic health and mental health. The guest argues that conditions such as depression, anxiety, bipolar disorder, and brain fog may sometimes be connected to inflammation, insulin resistance, or problems with how the brain uses energy. The podcast presents keto as a potentially useful tool for improving brain function in some individuals, although they also acknowledge that the scientific research is still developing and that keto should not be viewed as a guaranteed cure for psychiatric disorders.
The episode strongly criticizes ultra-processed foods and modern eating habits. They discuss how constant snacking, high sugar intake, and heavily processed carbohydrates may contribute to obesity, diabetes, fatigue, and mood instability. Instead, the guest promotes eating whole foods with a focus on protein, healthy fats, and stable blood sugar levels. The idea is that maintaining better metabolic health can improve both physical wellbeing and emotional stability.
Weight loss is another important theme in the podcast. The guest explains that many people naturally eat less on keto because fat and protein tend to keep them fuller for longer. Lower insulin levels may also help the body access stored fat more efficiently. At the same time, the discussion makes clear that keto is not “magic,” and that factors such as sleep, consistency, calorie intake, and overall food quality still matter.
The podcast also addresses several common misconceptions about keto. One of the main points is the difference between nutritional ketosis and ketoacidosis. Nutritional ketosis is described as a normal metabolic state that can occur during fasting or carbohydrate restriction, whereas ketoacidosis is a dangerous medical condition mostly associated with uncontrolled diabetes. The guest argues that many people confuse the two and therefore misunderstand the risks of the diet.
Toward the end, the conversation becomes more balanced by recognizing that keto is not suitable for everyone. Some people may struggle with the restrictive nature of the diet, and it may not work well for certain athletes, people with a history of eating disorders, or individuals who simply cannot maintain it long term. The overall message of the episode is that keto can be a powerful tool for some people, especially regarding metabolic health and appetite control, but it should be approached thoughtfully rather than treated as a universal solution.
Check out the video on YouTube: "Insulin Doctor: This is the first sign of Dementia! The shocking link between Keto and Brain Decline."