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Calories in minus calories out, that's where we landed because we understood that managing weight is about managing energy. The ketogenic diet is traditionally performed by increasing fat intake and decreasing, wait for it, carbs. The keto group dropped 12.1 pounds. In a stricter trial, 26.4 pounds was lost, with 20.7 pounds being fat. In a study of untrained women, 12.3 pounds were lost and 'every single pound was fat.' Carnivore is evidence for greatness is almost exclusively anecdote; '84% of people that took the study in this article said they engage with carnivore for weight loss purposes.' High protein helped preserve lean mass: after calories were added back, 'for these folks, all weight regained was muscle.' HIIT showed fat loss with preserved lean mass: 'the 10.6 pounds the HIIT group lost, all of them were fat.' 'Muscle was generally maintained and some studies reported an increase in lean body mass.' Calorie restriction, A tier. Strength training, easy, sustainable, effective, S tier.

In a discussion about dietary approaches, Ben Bikman emphasizes the relationship between insulin, fat storage, and weight management. He notes that while some individuals on strict carnivore or low-carb diets may experience weight gain, this is often due to pre-existing insulin resistance or high insulin levels rather than the diet itself. Bikman explains that high insulin promotes fat storage, regardless of calorie intake, and that addressing insulin levels is crucial for effective weight loss. He highlights the importance of understanding fasting insulin levels, suggesting that a level below 6 micro units per milliliter indicates good insulin sensitivity. He argues that fasting insulin is a more critical marker of metabolic health than glucose levels, which can remain normal even as insulin resistance develops. Bikman advocates for a dietary approach that prioritizes controlling carbohydrates, emphasizing protein intake, and not fearing dietary fats, as these strategies can help lower insulin levels and improve metabolic health. Bikman also discusses the role of muscle mass in metabolic health, noting that increased muscle can enhance insulin sensitivity and aid in glucose management. He warns against calorie counting as a primary strategy for weight loss, arguing that it often leads to failure due to the body's complex energy regulation mechanisms. Instead, he suggests that individuals should focus on reducing insulin levels first, which can naturally lead to weight loss without the constant struggle of calorie restriction. He acknowledges the challenges of dietary changes, particularly for those with deep-seated habits or emotional connections to food. Bikman encourages individuals to find a balance that works for them, emphasizing the importance of whole foods over processed options. He also touches on the societal issues surrounding obesity, suggesting that a lack of community and connection contributes to poor dietary choices and health outcomes. In conclusion, Bikman advocates for a holistic approach to health that includes dietary adjustments, physical activity, and fostering social connections, all while maintaining a focus on insulin management as a key to achieving and sustaining metabolic health.

Visceral fat is not merely about looks; it’s a gateway to inflammation, insulin resistance, and heart disease, and a growing medical approach centers on fasting as the fastest route to shed it. A world-leading cardiologist with decades of experience explains how repeated carb intake keeps insulin high, promotes visceral fat, and fuels artery disease. He emphasizes that after about 12 hours of fasting, the body begins pulling stored fat from the belly first, a process he uses to reverse metabolic derangements. The conversation then shifts to how modern living disrupts fasting physiology, contributing to a cascade of inflammatory signals, fatty liver, and a skewed lipid profile that can culminate in heart attacks even in younger patients. He maps a chain from gut health to heart disease, highlighting how insulin-driven visceral fat and ectopic fat around organs inflame blood vessels. A key diagnostic thread is insulin testing, because many patients exhibit high insulin with normal glucose, a sign of insulin resistance that predates diabetes and accelerates cardiovascular risk. Fasting emerges as a powerful instrument: from 12-hour fasts to 18:6 schedules, with more aggressive regimens for those with diabetes or obesity, such as weekly 48-hour fasts or occasional three-day water fasts, followed by one meal a day. He also notes that ketosis and autophagy make cells more efficient, produce ketones as fuel, and can boost brain function and growth hormone, while the body cycles between fed and fasted states to preserve muscle when properly managed. The discussion then turns to the gut as the main driver of cardiovascular inflammation. A disrupted microbiome, leaky gut, and mold exposure are described as contributors to fatty liver and coronary plaque, with the liver and gut coordinates measured by inflammatory markers and coronary calcium scoring. Rebalancing the microbiome—through high-fiber diets, fermented foods, and specific prebiotic supplements—can dampen systemic inflammation and slow plaque progression. He advocates vitamin D3 and K2 to optimize calcium handling, cautions against routine calcium supplements, and endorses omega-3s and nattokinase to modulate clotting. Beyond diet, he explains vagus nerve hacks—breathing exercises, cold exposure, humming, and even eye movements—that enhance parasympathetic activity, improve heart rate variability, and support gut-brain communication. He stresses that sleep and stress management are essential for gut health and heart protection.

Fatty liver disease is characterized by excess fat in the liver, which can lead to serious health issues when it replaces healthy liver cells. Insulin resistance is a significant risk factor, with 80-85% of individuals with insulin resistance or type 2 diabetes also having fatty liver disease. Obesity, particularly waist circumference, and a sedentary lifestyle further contribute to the condition. The nomenclature has shifted from non-alcoholic fatty liver disease (NAFLD) to metabolic dysfunction-associated steatotic liver disease (MASLD) to emphasize its metabolic aspects. The liver is crucial for detoxification, vitamin absorption, and hormone production. Fatty liver disease can impair these functions, leading to a higher mortality rate from related conditions like heart disease and liver cancer. Lifestyle choices, particularly diet, play a critical role in managing fatty liver disease. Diet colas and ultra-processed foods should be limited, as they can disrupt blood sugar regulation and contribute to cravings for unhealthy foods. Key dietary recommendations include consuming real foods, such as coffee, berries, green tea, and healthy fats like olive oil. Physical activity is also essential; even small amounts can significantly improve liver health. Mindful eating and intermittent fasting are beneficial strategies. GLP-1 medications show promise for managing fatty liver disease, but long-term strategies for discontinuation need to be considered. Overall, prioritizing real food and movement can greatly enhance liver health and overall well-being.