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Dr. Valter Longo, a professor at USC and creator of the fasting mimicking diet (FMD), discusses the impact of diet on longevity and health. He emphasizes the significance of blue zones—regions where people live exceptionally long lives—highlighting genetic factors and lifestyle choices such as diet and exercise. Longo's research indicates that calorie restriction can extend lifespan, but the FMD offers a more accessible alternative, allowing individuals to reduce caloric intake without severe restrictions. The FMD lasts five days, consisting of low-calorie, plant-based foods that trigger autophagy, a process where the body cleanses and regenerates itself. Longo notes that this diet can lead to significant health improvements, including reduced inflammation and better metabolic markers. He suggests that individuals could benefit from doing the FMD three to four times a year. Longo's studies show promising results for various diseases, including diabetes and cancer, with many patients experiencing reduced symptoms and improved health outcomes. He believes that the FMD can help rejuvenate the immune system and promote multi-stem regeneration across different organs. Longo advocates for a balanced approach to diet, emphasizing low sugar intake and whole foods, while also acknowledging the importance of physical activity and sleep for overall health.

On the live-stream preface, the host recounts a mic scare and pivots to the central question: are we getting fatter as a nation? He cites four drivers: bread, lack of exercise, sleep loss, and a fourth factor labeled opportunistic veracity. He describes an Interventional study where men received either a placebo or a cortisol-mimicking drug, then were placed in a lab with a 34‑tray vending machine and allowed an ad libitum diet. Regardless of cortisol, appetite rose; the study highlights opportunistic veracity. He defines opportunistic veracity as 'variety and unlimited availability of foods' driving increased intake in convenient environments. The host explains two versions of self: a negative relationship with food and a positive, intentional one. Stress, overwhelm, and time constraints trigger mindless snacking (e.g., 72% cacao nibs); he emphasizes that the outside environment creates 'frictionless access' and that we must cultivate a proactive, intentional approach rather than passively consuming. Turning to calories, he argues that calories are not a perfect measure for body response; 'calorie counting' has merit only for the principle of intentionality. He contrasts math's black‑and‑white with biology's 'dials' and uses the 'square peg in a circle hole' metaphor to show why energy math can't capture the body's complexity. He compares meals with equal calories but different macro compositions (spaghetti vs pork chops and peas) and claims they can have different metabolic effects. He notes 'food is information' and that eating and exercise are separate systems. To apply the principle, he introduces SOS: Sit down, Only eat, Separate serving. Sit down reduces mindless snacking; Only eat enforces slower chewing and greater awareness; Separate serving creates a cue and helps control calic phase. He argues that the avoidance of overeating and the discipline of an eventful meal are key, while acknowledging the difficulty of portion control. He closes with practical steps, future videos, and invitations for questions, while praising the two versions of self.

Weight management is often misunderstood as solely a matter of discipline, but genetic factors significantly influence hunger signaling and satiety. Hormones like ghrelin and leptin affect individuals differently, leading to varying experiences with hunger and dieting. Many struggle with "food noise," which can hinder successful dieting. New medications like GLP-1 agonists (e.g., semaglutide) effectively suppress hunger signals, leading to greater weight loss success compared to traditional dieting methods. To manage hunger, it's recommended to consume whole foods over ultra-processed options, as the latter can lead to overeating due to their calorie density and lack of satiety. Higher protein and fiber diets are beneficial, along with mindful eating practices. There are three main dieting strategies: calorie restriction (CR), dietary restriction (DR), and time restriction (TR), each with its pros and cons. Long-term adherence to any diet is crucial for success, and no single diet is universally superior. Exercise plays a role in weight management but should not be relied upon solely for weight loss. Instead, finding enjoyable activities and incorporating resistance training is essential for maintaining muscle mass and overall health. The Vertical Diet emphasizes the importance of sleep, consistent eating habits, and stress management as foundational elements for achieving health and fitness goals. Ultimately, understanding calorie content and making informed food choices are vital for sustainable weight management.

Welcome to the Huberman Lab Podcast. I'm Andrew Huberman, a Professor of Neurobiology and Ophthalmology at Stanford. Today, we discuss fasting and its impact on health and wellbeing, including physical and mental aspects. Intermittent fasting, or time-restricted feeding, involves eating during specific periods each day. Most people unknowingly practice some form of intermittent fasting by not eating during sleep. We will explore how different fasting schedules affect weight loss, fat loss, muscle maintenance, organ health, inflammation, cognition, mood, and lifespan. A recent study published in Cell Metabolism found that higher resting blood glucose levels in humans correlate with increased mortality as people age. This contrasts with findings in mice, where lower blood glucose is associated with mortality. This highlights the importance of distinguishing between studies conducted in humans and those in animals. I aim to provide accessible information about science and health tools. Today, I will discuss mechanisms and practical tools for implementing fasting without strict adherence to feeding schedules. For instance, there are ways to mitigate negative effects of occasional deviations from a strict eating window. One key finding is that fasting can improve liver health and reduce inflammation. When we eat, blood glucose and insulin levels rise, while fasting lowers them. The timing of meals is crucial; eating during active phases of the day is beneficial, while late-night eating can be detrimental. Research indicates that restricting food intake to specific windows can enhance liver health and metabolic function. For example, studies show that mice on a time-restricted feeding schedule maintain or lose weight, while those with constant access to food become obese and unhealthy. The ideal feeding window is generally around eight hours, but individual preferences and lifestyles matter. It's essential to avoid food for at least one hour after waking and for two to three hours before bedtime. This allows for optimal metabolic health and supports the body's natural circadian rhythms. Recent literature suggests that time-restricted feeding can lead to improved insulin sensitivity and fat loss. However, shorter feeding windows may lead to overeating. The eight-hour window is often recommended for balancing health benefits and social schedules. For those focused on muscle maintenance, consuming protein early in the day may enhance muscle growth due to the timing of protein synthesis. Transitioning to a new feeding schedule should be gradual, allowing the body to adjust. In summary, the ideal intermittent fasting schedule involves an eight-hour feeding window, avoiding food after waking for at least one hour and before bed for two to three hours. Regularity in meal timing is crucial for maximizing health benefits. Individual variations exist, and some may require different approaches based on their lifestyle and health goals. For further exploration, I recommend resources like My Circadian Clock and the Zero app to help track feeding windows. Remember, the relationship between when you eat and your overall health is significant. Thank you for your interest in science and health.

Andrew Huberman and Dr. David Sinclair discuss aging, defining it as a disease rather than an inevitable process, arguing that it's the primary cause of most chronic illnesses. Sinclair posits that aging is fundamentally a loss of information within cells, akin to "scratches on a CD," primarily affecting the epigenome—the system controlling gene expression. These "scratches" are caused by factors like DNA damage (e.g., X-rays, sun exposure) and cellular stress, leading to cells losing their identity and function. Interestingly, periods of rapid development, like early life, show accelerated biological aging according to epigenetic clocks. Sinclair emphasizes that while genetics play a role, 80% of longevity is influenced by epigenetic information, which can be positively modified by lifestyle. A key actionable protocol is intermittent fasting, which activates longevity genes called sirtuins by keeping insulin and insulin-like growth factor levels low. This contrasts with constant feeding, which keeps these protective genes inactive. Skipping a meal daily is recommended, with longer fasts (2-3 days) triggering deeper cellular cleansing processes like chaperone-mediated autophagy, which has shown significant lifespan extension in mice. The conversation also covers supplementation, with Sinclair discussing his personal use of NMN to boost NAD levels, which are crucial for sirtuin activity. He highlights the importance of personalized medicine and tracking biomarkers like HbA1c (average glucose) and C-reactive protein (CRP) for inflammation, a strong predictor of cardiovascular disease and mortality. Exercise, particularly for maintaining muscle mass and hormone levels, is also crucial. Sinclair shares groundbreaking research on rejuvenating the female reproductive system in old mice using NMN, challenging conventional biological understanding and suggesting the body's remarkable capacity for repair and rejuvenation.

Fasting changes the way your body fuels itself, and when you eat often matters as much as what you eat. Intermittent fasting, or time-restricted feeding, influences weight loss and health parameters, interacting with exercise, hormones, and circadian biology. A cornerstone study by Gardner and colleagues in 2018 found that, over 12 months, there was no significant difference in weight change between healthy low‑fat and healthy low‑carbohydrate diets when calories were matched. The implication is not that diet is irrelevant, but that calories burned exceeding calories ingested remains crucial for weight loss, while other factors shape health and performance. A second pillar comes from animal studies showing that timing of eating shifts physiology. In mice fed a high-fat diet, restricting feeding to an eight-hour window maintained or improved lean mass and reduced disease risk compared with around-the-clock eating. The study anchored the circadian rhythm: about 80 percent of genes cycle daily, and misalignment between timing and the environment can undermine health. Autophagy and other repair processes are amplified during sleep and fasting, while continuous feeding can disrupt them. Thus, aligning eating with the clock supports liver health and metabolic function. Practical guidelines emerge from these findings. A widely supported target is an eight-hour feeding window, with no calories for the first hour after waking and no calories in the two to three hours before bed, to preserve sleep-related fasting. Commonly feasible schedules place the window around 10:00 a.m. to 6:00 p.m. or 12:00 p.m. to 8:00 p.m., allowing social meals while maximizing fasting overnight. For muscle, protein earlier in the day may help hypertrophy, though overall calories and training remain important. If hunger or mood drift challenge adherence, gentle strategies such as a light post‑meal walk or occasional salt can ease transitions; plan a gradual transition over several days.”], topics otherTopics

'How did I get here? Is self-control even a real thing?' Cravings, whether habitual or episodic, add up, and 'Every crumb must be accounted for.' In a lab, fifteen healthy males received either a cortisol-mimicking drug or a placebo in a setting with two vending machines. The cortisol group ate far more: '2,867 more calories' for placebo and '4,554 more calories' for cortisol. 'Calorie counting is a method'; 'calorie counting is a beautifully uniform science.' The authors cite 'opportunistic voracity'—variety and unlimited availability drive it. Pavlovian conditioning is described: a 'food cue' triggers responses; the 'cephalic phase' produces 'unconditioned responses' like salivation. If dinner pairs with Netflix, the show becomes a 'conditioned stimulus' and you may eat—even if not hungry—a 'conditioned response.' Cravings are 'multidimensional,' influenced by neural reward systems, and 'ghrelin' can be released from a homeostatic or hedonic influence; 'Ghrelin is a hormone.' On opioids: 'ten healthy men' were studied; 'seven out of the ten participants had an opioid release during palatable food condition' and 'ten out of ten' during the non-palatable liquid meal. The authors conclude there is 'no relation between our subjective amount of pleasure from these highly-palatable foods, and endogenous opioid release.' They emphasize homeostatic versus hedonic pathways and learned cues in overeating. Three and a half food rules: 'Sit down as we eat.' 'Monotask-eat.' 'Always take out a separate serving.' 'Follow the rules.' Bonus: 'Cutting out fast food cold turkey is not going to be sustainable for long. So allow yourself the permission to have it, just under these conditions. Choose one-to-two days out of the week you can have it, and for one meal of that day.' The point is that frictionless access fuels cravings, and deliberate strategies can shift control in craving moments.

In this episode, the hosts discuss achieving a lean and healthy body without counting calories. They emphasize the importance of maintaining an energy imbalance, where one burns more calories than consumed. While calorie counting can work short-term, it often leads to failure long-term due to its robotic nature and emotional eating behaviors. Instead, they advocate for focusing on behavior modification and understanding macronutrients. Key strategies include eating protein first to enhance satiety, avoiding ultra-processed foods that lead to overeating, and adding healthy foods to the diet rather than removing items. They also suggest drinking plenty of water to reduce hunger and eating without distractions to lower calorie intake. Creating barriers to trigger foods, such as not keeping them at home, can help manage cravings. The hosts encourage reframing the motivation for dieting from self-hate to self-care, promoting healthier habits. Lastly, they recommend not eating past 6 PM to avoid late-night snacking, which often leads to poor food choices. These behavioral strategies aim to create sustainable, healthy eating patterns without the need for strict calorie counting.

A practical blueprint for fat loss unfolds when you swap meal-tracking for simple, repeatable habits. The Mind Pump hosts present eight habit hacks that produce fat loss even when you stop tallying calories. The first, not eating ultra-processed foods, is framed as a big lever: by avoiding boxed and wrapper foods, you can eat until you’re full and still drop about 500 calories a day. They stress the psychological lift of giving yourself permission to eat more—so long as you stick to whole foods—and how processed foods tend to heighten cravings and drive overconsumption. They argue that ultra-processed foods amplify addictive tendencies and crowd out satiation, making steady fat loss harder for most people whose diets are predominantly processed. The next habit is to eat without distractions—no TV, no phone—and sit down; data cited show a 10-15% automatic reduction in calories when meals aren’t paired with entertainment, along with slower, more mindful intake. They discuss protein-first as well: protein has the strongest satiety signal, with 30 grams as a practical minimum, and it also provides insulin-sensitizing benefits, helping with blood sugar stabilization. A further tip is to avoid fluids during meals; the hosts note a roughly 10% additional calorie reduction, slower eating, and sometimes better digestion when you drink before or after rather than during a meal. They acknowledge debates around hydration and digestion but emphasize the slowing effect and bolstered fullness. Other tactics include putting your fork or spoon down between bites to slow the pace, and taking a short walk after eating to stabilize blood sugar and curb post-meal cravings. They also advocate pausing before you eat to set intentions—an awareness practice that can reduce mindless snacking and raise body signals for hunger and fullness. Finally, installing barriers to bad habits—like not keeping chips in the house or waiting 15 minutes before giving in—helps shift behavior by creating frictions that reduce impulsive eating. The hacks note these strategies stack well; most people can implement several at once and see meaningful fat loss without counting calories. Beyond the fat-loss hacks, the conversation touches on how modern habits intersect with broader health and behavior, including how media-driven eating and emotional cues shape appetite and how mindful pauses can recalibrate routines. The discussion also brushes on training ideas as ways to vary stimulus, suggesting that consistency and simplicity in daily choices often trump complex plans.

The order in which you eat your food can significantly impact fat loss goals. Prioritizing protein first is crucial, as it promotes satiety and helps reduce overall calorie intake. Clients who focused on protein first naturally consumed fewer calories without feeling restricted, leading to better results in body composition. As individuals age, maintaining a desired physique can become easier with less volume in training, particularly when protein intake is optimized. Many diets, such as keto or carnivore, lead to weight loss primarily because they emphasize high protein consumption, which is satiating and makes overeating difficult. Evolutionarily, high-protein foods, typically from meat, signal the body to reduce appetite due to the nutrient density they provide. In contrast, high-sugar foods may keep appetite signals elevated due to nutrient deficiencies. Eating protein first can lead to reduced overall food intake, as individuals often feel full before reaching for carbohydrates. The psychological aspect of eating is also important. Allowing oneself to enjoy various foods while prioritizing protein can lead to a healthier relationship with food and better outcomes in body composition. The hosts emphasize that this approach is not about restriction but about making informed choices that lead to natural satiety. In terms of practical advice, individuals should focus on hitting their protein targets per meal, which can lead to leaving food on the plate as they feel satisfied. The hosts also discuss the importance of communication skills, particularly in the context of helping clients or others with their challenges, emphasizing empathy and validation. The conversation shifts to economic topics, highlighting inflation and its impact on everyday expenses, particularly food prices. The hosts provide examples of significant price increases in fast food items since 2019, illustrating the financial strain on consumers. The discussion also touches on the housing market, noting low inventory and high prices, which are influenced by rising interest rates and people's reluctance to sell their homes. The hosts express concern about the overall economic situation, including rising credit card debt and dwindling savings among households. Lastly, the hosts discuss the benefits of creatine supplementation, highlighting new research showing its cognitive benefits during sleep deprivation. They advocate for its use not just for physical performance but also for overall health and cognitive function. The conversation concludes with insights on community engagement and the importance of building relationships with neighbors for a supportive environment.