Insulin Doctor: This Is The First Sign Of Dementia! The Shocking Link Between Keto & Brain Decline!

In this episode, Steven Bartlett interviews Dr. Annette Bosworth about the critical connection between insulin resistance, metabolic health, and brain function. Dr. Boz explains how insulin resistance develops silently over years and decades before manifesting as serious chronic conditions including Type 2 diabetes, heart disease, and dementia. She emphasizes that these diseases are not inevitable but rather predictable outcomes that can be prevented through early intervention and lifestyle modification.

Dr. Boz introduces practical physical markers that indicate elevated insulin levels, such as the presence of skin tags, hairless toes, and stubborn belly fat. These signs allow individuals to self-assess their metabolic status before serious damage occurs. She discusses how modern medicine typically focuses on treating diseases after they develop rather than preventing them in the first place, and how this reactive approach contributes to the epidemic of chronic illness.

A major focus of the conversation centers on how different fuel sources affect brain health. Dr. Boz explains that brains running on glucose experience inflammation and oxidative stress, while brains utilizing ketones from fat metabolism show improved cognitive function, reduced neuroinflammation, and potential reversal of neurodegenerative processes. However, she stresses that ketosis done incorrectly can actually harm the brain, making proper implementation critical.

The episode addresses meal timing, with Dr. Boz explaining why breakfast is often the worst meal for those with insulin resistance. Eating immediately upon waking triggers large glucose spikes when insulin sensitivity is naturally lowest, setting up a cascade of metabolic dysfunction throughout the day. She recommends delayed eating patterns that work with circadian biology rather than against it.

Dr. Boz introduces the concept of measuring ketone levels accurately using specific testing methods and discusses the Dr. Boz Ratio, a mathematical framework that predicts healing and metabolic recovery. Throughout the episode, they conduct real-time testing of ketone levels and blood glucose on Steven, demonstrating how different individuals respond to dietary interventions.

The conversation includes discussion of keto's effects on physical performance, hormonal changes between men and women during ketosis, and how ketogenic nutrition has helped her patients reverse unexpected outcomes like premature greying of hair. Dr. Boz shares her mother's cancer journey and how ketogenic principles supported her health during treatment.

The episode concludes with practical guidance on the 12 steps to achieve consistent ketosis and introduces the sardine-based reset protocol as an effective tool for rapid ketosis initiation. This specific macronutrient combination allows the body to quickly shift into fat metabolism without the extended adaptation period many people experience when beginning keto.