Eating for Longevity with Professor Valter Longo #55
Professor Valter Longo, a world-leading longevity researcher, discusses diet and nutrition, including high-protein, ketogenic, and low-carb diets. He introduces his five-pillar research approach and the Fasting Mimicking Diet (FMD), a 5-day plan with benefits like reducing visceral fat and improving insulin resistance.
Deep Dive Analysis
16 Topic Outline
Valter Longo's Background and Music's Influence on Science
Defining Aging and Senescence
Societal Factors Undermining Longevity
Understanding Fasting: Daily vs. Periodic Approaches
The Five-Pillar Approach to Scientific Recommendations
Debunking High-Protein Diets for Longevity
Protein Intake Recommendations Across Lifespan
Critique of the Ketogenic Diet
Moving Beyond Macronutrient Obsession in Nutrition
The Fasting-Mimicking Diet (FMD): Mechanism and Benefits
FMD Research on Autoimmune Diseases and Pancreatic Regeneration
Stem Cells and Their Regeneration Through Fasting
Practical Aspects and Compliance of the Fasting-Mimicking Diet
Short-Term and Long-Term Benefits of FMD Cycles
Frequency of FMD Cycles Based on Health Status
Top Lifestyle Tips for Longevity
7 Key Concepts
Aging
Aging refers to the time-dependent increase in dysfunction, typically associated with an exponential increase in mortality rates in most organisms. It is assessed by looking at age-specific mortality rates.
Senescence
A more technical term than aging, senescence specifically describes the time-dependent process of something getting worse or becoming dysfunctional, often used in a biological context.
Five-Pillar Approach
This is a method for making scientific recommendations by combining evidence from five different disciplines: epidemiological data, randomized clinical trials, observations from centenarian populations, basic science focused on longevity (e.g., in mice), and complex systems thinking.
IGF-1 (Insulin-like Growth Factor 1)
A pro-cancer marker and potential risk factor, IGF-1 levels can become very high with a high-protein diet, pushing the body towards accelerated growth and aging.
TOR (Target of Rapamycin)
An aging accelerator pathway that is controlled by amino acids like leucine. High-protein diets can activate TOR, leading to faster aging processes in the body.
Fasting-Mimicking Diet (FMD)
A five-day periodic diet designed to simulate the effects of water-only fasting safely, allowing individuals to consume limited food while still achieving the body's fasting response. It aims to revolutionize the body's systems in a controlled manner.
Stem Cells
Cells with the ability to generate many different types of cells. Fasting can activate these stem cells, leading to the regeneration of various tissues and organs when refeeding occurs, effectively renewing parts of the body.
8 Questions Answered
A 12-hour eating window (e.g., 8 a.m. to 8 p.m.) with 12 hours of not eating is considered an excellent choice for longevity, with very little data suggesting it's not beneficial.
High-protein diets accelerate pro-aging pathways by increasing IGF-1 and activating TOR, leading to faster aging and an increased risk of diseases like cardiovascular disease and cancer.
Approximately 60% of calories should come from carbohydrates (mostly legumes and vegetables), 30% from healthy fats (like olive oil and nuts), and 10% from protein.
There is very little data suggesting that a continuous ketogenic diet is beneficial for people, especially if it's interpreted as high fat, high protein, and low carbohydrate, which is associated with earlier death and more cardiovascular disease and cancer in epidemiological studies.
The FMD helps the body target visceral fat, reduces insulin resistance, potentially reduces fatty liver, and promotes pancreatic beta cell regeneration (shown in mice), leading to overall wellness and reduced systemic inflammation.
Fasting causes a temporary reduction in organ size and cell numbers; upon refeeding, stem cells are activated to rebuild and regenerate tissues and organs, effectively renewing parts of the body.
In mice, FMD cycles were very effective in reducing and even reversing symptoms of multiple sclerosis. In humans, a 45-patient trial showed patients reported a much better quality of life, and multi-center trials are ongoing for multiple sclerosis, Crohn's, and colitis.
Adopt a mostly pescetarian diet based on ancestral foods, practice a 12-hour daily fasting window, reduce meals to two per day plus a snack if overweight or obese, and aim for 150 minutes of exercise per week.
19 Actionable Insights
1. Implement Daily 12-Hour Fast
Practice a 12-hour daily eating window (e.g., 8 am to 8 pm) followed by a 12-hour fast, as this is an excellent choice for health. Avoid extending daily fasting beyond 12 hours, as it can lead to sleep and metabolic problems.
2. Adopt Pescetarian-Based Diet
Follow a mostly pescetarian diet, drawing inspiration from the food traditions of your ancestors, to optimize health and longevity.
3. Prioritize Quality Carbohydrates
Ensure approximately 60% of your daily calories come from carbohydrates, primarily from nutrient-rich legumes and vegetables, for optimal longevity and health. Consume starches like pasta, bread, or rice in moderation, limiting to about 50-70 grams per day to avoid effects similar to high sugar intake.
4. Avoid Saturated Animal Fats
Steer clear of saturated animal fats, as they are generally considered detrimental and are not associated with long-term health or longevity in centenarian populations.
5. Incorporate Healthy Fats Daily
Include healthy fats such as olive oil and nuts in your diet, aiming for approximately 30% of your daily calories from these sources, as they are commonly consumed by long-lived populations.
6. Optimize Protein Intake by Age
For most adults, aim for 0.8 grams of protein per kilogram of body weight daily; however, if you are 70-80 years old, increase this to 1 gram per kilogram and maintain a healthy weight to prevent sarcopenia and frailty.
7. Avoid Continuous Ketogenic Diets
Refrain from following continuous high-fat, high-protein diets (often misinterpreted as ketogenic diets) as they are linked to earlier death, cardiovascular disease, and cancer, with little data supporting long-term benefits.
8. Engage in Regular Exercise
Commit to at least 150 minutes of exercise per week to optimize your overall health and contribute to longevity.
9. Consider Fasting Mimicking Diet
Explore the five-day fasting-mimicking diet (FMD), such as Prolon, as a periodic protocol to reduce visceral fat, improve insulin resistance, and potentially promote stem cell regeneration, offering benefits similar to water-only fasting but with greater safety.
10. FMD Frequency for Healthy Adults
If you are young, healthy, and maintain a good diet with regular exercise, consider undertaking the fasting-mimicking diet once a year for maintenance and to periodically clear cellular ‘junk’.
11. FMD for Metabolic Health Issues
If you are obese, have high cholesterol, high blood pressure, or metabolic syndrome, consider doing the FMD once a month for three cycles under doctoral supervision to achieve significant health improvements like reduced systemic inflammation. After initial cycles, transition to maintenance (e.g., once every four months), adjusting frequency based on health status and lifestyle.
12. FMD Safety & Medical Supervision
Do not undertake water-only fasting on your own, and avoid the FMD after age 70 without geriatrician supervision, as these powerful interventions require careful medical guidance to prevent harm. Always read Prolon’s disclaimers and ‘Is Prolon Right For Me’ section before starting.
13. Prepare for FMD Protocol
For your first few FMD cycles, choose a time when you are on vacation or have less strenuous work, especially if your job is physically demanding, and avoid strenuous exercise during the protocol to prevent adverse effects like low blood sugar. Prioritize rest and relaxation during the five days.
14. Transition Slowly Post-FMD
Follow a 24-hour transition period back to your normal diet after completing the FMD to allow your gut to rebuild and prevent putting excessive pressure on your intestine.
15. Reduce Meal Frequency for Weight
If you are overweight or obese, reduce your daily meal frequency from five or six meals to two meals plus one snack (e.g., breakfast and lunch plus a snack, or breakfast and dinner plus a snack) to aid in weight management.
16. Critically Evaluate Health Claims
Adopt a critical approach to health and dietary recommendations by considering multiple sources of evidence, including epidemiological data, clinical trials, observations from centenarian populations, and basic scientific research, rather than relying on single-pillar strategies.
17. Embrace Unlearning for Growth
Be willing to ‘unlearn’ previously held beliefs or knowledge, especially in complex fields like health and science, to overcome limiting perspectives and enable new breakthroughs or personal progress.
18. Address Personal Stressors
Identify and actively work to overcome the stressors in your own life, as modern living is highly stressful and stress is toxic to most organ systems, impacting overall health and longevity.
19. Support Podcast for More Content
Support the podcast by leaving a review, sharing episodes on social media, or telling friends and family about the show to help spread valuable health information.
7 Key Quotes
The idea is to learn from history and tradition and evolution and then learn from science and clinical work and then combine those two things and that's really when you see how we come up, I came up with the recommendation.
Valter Longo
Aging refers to the time-dependent increase in dysfunction. And usually in most organisms is associated with a exponential increase in mortality.
Valter Longo
So, for example, animal proteins, we're now shown to be regulating pro-aging pathways, meaning the genes that regulate aging, the function of these genes or the proteins generated by these genes is accelerated.
Valter Longo
So, the five pillars are really, it's really about taking all the different disciplines and putting it together to come up with this recommendation.
Valter Longo
So, all the pillars suggest that, you know, low but sufficient protein diet is by far the best.
Valter Longo
So, it's not just an obsession. It's also, I think, a media-driven need to simplify, right? People, the media loves to say, pick something, the flavor of the day, low protein, high protein, low carbs, low fat.
Valter Longo
Our first purpose is do no harm, right? So, people are going to live a long life. I never want to take that away from anybody, right? Not even one in a million.
Valter Longo
1 Protocols
Fasting-Mimicking Diet (FMD) Protocol
Valter Longo- Consume approximately 1,100 calories on Day 1, consisting of a vegan diet with nuts, vegetables, vegetable chips, and supplements (e.g., omega, micronutrients).
- Consume approximately 800 calories on Days 2, 3, 4, and 5, following the same vegan dietary pattern.
- Maintain regular eating times, typically three times a day, though with reduced portions compared to normal intake.
- Avoid strenuous exercise or activities that could cause blood sugar to drop too low, respecting the body's need to lay back.
- Follow the five-day diet with about 24 hours of transition, gradually returning to a normal diet to allow the gut to rebuild before consuming heavy or high-sugar foods.