Controlling the 'Body Fat Thermostat'

Controlling the 'Body Fat Thermostat'

Dr. Jason Fung 53 771 просмотров 2 994 лайков

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Are you struggling to lose weight despite eating less and exercising more? It’s time to stop blaming your willpower and start understanding your biology. Dr. Jason Fung, best-selling author of The Obesity Code, explains the revolutionary concept of the "Body Fat Thermostat." Just like your home’s AC maintains a specific temperature, your body has a "set point" for how much fat it wants to carry. If you only focus on "Calories In vs. Calories Out" without addressing your hormones, your body will fight back by increasing your hunger and slowing down your metabolism. This is why most diets fail in the long run! In this video, we dive deep into: ✅ The Science of Homeostasis: Why your body resists weight change. ✅ Hormones vs. Calories: The real role of Insulin, Cortisol, and GLP-1 in fat storage. ✅ The "Big Lie" of Dieting: Why eating fewer calories can sometimes lead to more fat storage. ✅ Resetting the Set Point: Practical insights on how to naturally lower your body's fat thermostat. ✅ Homeostatic Hunger: How to control your appetite by choosing the right foods. Weight loss isn't just about math; it's about hormonal balance. Whether you're interested in intermittent fasting, low-carb living, or simply improving your metabolic health, this deep dive will change the way you look at your body. Recommended Books by Dr. Jason Fung: 📖 The Hunger Code 📖 The Obesity Code 📖 The Diabetes Code 💬 WE WANT TO HEAR FROM YOU! Have you ever experienced the "rebound" effect after a diet? What is the biggest challenge you face when trying to eat healthy? Let’s start a conversation in the comments below! 👍 If this discussion helped you, like the video and subscribe for more science-based insights on fasting, hunger, and metabolic health. ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ ⏱️ Chapters / Timestamps 00:00 - Introduction to the Hunger Code 01:30 - What is Homeostasis? 03:45 - The Body Fat Thermostat Explained 06:15 - Why Calorie Counting Fails (The Big Lie) 08:20 - Hormones that Cause Weight Gain (Insulin & Cortisol) 10:45 - Hormones that Aid Weight Loss (GLP-1 & Testosterone) 12:10 - How to Naturally Lower Your Set Point ============================= 📌 BOOKS: 👉 The Obesity Code - Reviewing underlying physiology of weight loss and how low carb diets and fasting can help. https://www.amazon.com/dp/1771641258?... 👉 The Diabetes Code - Reviewing how type 2 diabetes is a reversible disease and dietary strategies. https://www.amazon.com/dp/B0795BLS8D?... 👉 The Cancer Code - Scientific exploration of how cancer develops - https://www.amazon.com/dp/0062894005?... 📌 Amazon: 👉 USA - https://www.amazon.com/shop/jasonfung 👉 Canada - https://www.amazon.ca/shop/jasonfung ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ 📌 Please visit our :- 🔹 Website - https://www.doctorjasonfung.com 🔹 Blog- / drjasonfung 🔹 Community- https://www.thefastingmethod.com 🔹 Facebook - / jason.fung.313 🔹 Instagram - / drjasonfung 🔹 Twitter - / drjasonfung ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ 📌 YouTube Medical Lectures (for specialist physicians): ▶️ The Roots of the Obesity Epidemic: https: // • The Obesity Epidemic, Explained ▶️ Therapeutic Fasting - The Two Compartment Problem:https: // • Fasting and Weight Loss - Solving the... ▶️ Does Calorie Counting work?: • Why Calorie Counting rarely leads to ... ▶️ Two Big Lies of Type 2 Diabetes: • Two Big Lies about Type 2 Diabetes ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ If you liked the video, Please Do Subscribe My Channel 😉😍 Keep Supporting me So I can Continue to provide you with free content each week!!😇 ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ 😍 😍 Thank you for Watching!

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Introduction to the Hunger Code

Hi, today I'm going to go over the body fat thermostat. What it is, how to control it, why hormones are so important, and also homeostatic hunger. This is all covered in my new and upcoming book, The Hunger Code. Check it out. Homeostasis refers to a phenomenon where the body sets a sort of optimal level. And if it goes above or below that level, it will activate mechanisms to get it back. Just like your room thermostat, you set the temperature and if it gets too hot, it's going to activate the air conditioning to cool it down. If it gets too cold, it's going to activate the heat to bring it back up. Either way, it gets to that optimal level. And this is true for all missionritical systems in the body. For example, body temperature. We set our body temperature at 97° roughly. And if we live in the Sahara Desert, we're going to sweat to cool off. If we live in the North Pole where it's very cold, we shiver so that we get a temperature back up. In either case, that thermostat senses how far off we are and activates mechanisms to make the adjustment. It's true for body water. If we drink a lot of water, we pee it out. If we don't drink a lot of water, we don't. Levels

What is Homeostasis?

of electrolytes, salt, potassium, magnesium. If we eat a lot of salt, we're going to pee it out. If we don't, we're not. It's true for the acidity in the blood, the pH system. For example, if our blood gets too acidic, our kidneys will dump out ammonia. It's true for oxygen and carbon dioxide in our lungs. If we don't get enough oxygen, we will hyperventilate. So we get more blood glucose. So you see that all missionritical systems in our body must maintain an optimal level and body fat is no different. There's a very popular argument that the human body is designed to store calories and now that uh calories are so easy to get, we're destined to gain weight. And this is just stupid. There's been many times in history where food was plentiful. If we look at the biblical story of Joseph where they had seven years of plenty, they don't describe a ancient epidemic of morbid obesity. No, the point is that even if food is easily available, we don't want to carry too much body fat. The question is why? Cuz we're going to die. And our bodies are just not that stupid. Think about it. If you're an animal and you are a predator and you are morbidly obese, you will never catch a prey ever again. If you're a prey animal and you're morbidly obese, you will die because some predator is going to eat you in two seconds. If you carry too little body fat, you'll never survive the winter. So, how much body fat we carry is actually missionritical. and therefore controlled by homeostasis. This means that we control it up or down based on hormones and neurotransmitter just like everything else in our body. That's just the way it works. Imagine you go into a room that is really, really hot. Do you say, "Well, room temperature equals heat in minus heat

The Body Fat Thermostat Explained

out. Let's calculate all the sources of heat, all the losses of heat. " Or do you say, "Who set this thermostat so high? Let's turn it down. " It's the exact same thing with our body fat thermostat. If we are overweight, if you simply count calories and you lose weight, but your body fat thermostat is set high, you're going to activate mechanisms to bring your body weight back up to that overweight status. Everybody knows it's true. You set the thermostat which then activates calories in which is either it makes you hungry or it makes you not hungry or calories out which is basil metabolic rate how many calories we burn in a day. Just like your thermostat doesn't heat up the room. It activates the heat or air conditioning to do that. Same thing. Our body fat thermostat sets the level, but then it activates hunger or satiety and metabolic rate to get us where we need to go. So the whole point is that it's been proven over and over again if you simply overfeed somebody, they will try to burn it off. The legendary obesity researcher George Bray described how he tried to gain weight. He said at first he tried to eat more uh two sandwiches instead of one, but he found that he couldn't do it. Then he switched to eating more fattening foods with lots of sugary uh carbohydrates and he did gain weight. But then what he noted was that he was uncomfortably hot and that is because his body was simply trying to burn it down. If you are overweight, it is because your thermostat is set too high, which is making the calories in calories out of problem through the mechanisms of hunger, satiety, and metabolic rate, which you do not control. You can control your calories, but you can't control if you're hungry or not. This is called homeostatic hunger, and it's crucial to understand this if you want to lose weight. Remember that our body needs a way to store calories because we need a continuous source of energy for our brain, for body temperature, for kidneys and so on. But food is irregular. We only eat it at certain times. Therefore, you must have this storage system. And therefore, you must

Why Calorie Counting Fails (The Big Lie)

have a way to adjust how much is the proper amount of storage to carry. This all comes down to the hormones. There are certain hormones that are going to push our body fat thermostat up and there are certain hormones that push our body fat thermostat down. So, how do you know what is what? Well, very simple. If you give somebody a hormone, and we have lots of drugs that stimulate these hormones and it causes weight gain, then you know that hormone causes the thermostat to go up. Insulin is the main one. We've talked about this all in the obesity code that insulin is raising that body fat thermostat so that it's telling your body gain weight. It's going to make you either hungry in which case you're going to eat more if you don't eat more because you're strictly controlling your calories. It will turn down your basil metabolic rate. You're going to burn less. So you're going to eat less but burn less and you can still gain body fat. And that's the big lie of calorierestricted diets. You can still gain weight even if you cut the 500 calories because your body might reduce its metabolic rate by 700 calories. You don't control it. That's not up to you. That's up to your hormones. Cortisol is another hormone. If you give cortisol, people gain weight. If you take away cortisol, people lose weight. Therefore, the stress hormone cortisol, which was covered in the obesity code, also is a key hormone in the hunger code. I go over some of these other hormones that are very important. The next one is GLP1 and GIP. GLP1 is called glucagon like peptide 1 and it's stimulated by osmpic. Glucagon is sort of like the opposite hormone of insulin. So if you're stimulating the opposite of uh insulin, you're going to lose weight and sure enough people do. So activating GLP-1 is going to push

Hormones that Cause Weight Gain (Insulin & Cortisol)

that thermostat down. GIP is another incretin hormone which is uh stimulated by the drug munjaro. Some of the other hormones would be the sex hormones. Testosterone for example. If you give people testosterone, they will tend to gain muscle and lose fat. You see this in teenage boys when they go through puberty, they have a lot of testosterone. They're eating a lot, but they're building a lot of muscle. And in fact, body fat doesn't go up much. Girls during puberty, they have a lot of estrogen and that tells them to store more body fat in their subcutaneous areas in the hips and the breasts in preparation for child rearing. A synthetic progesterone mega is a drug that is used to stimulate appetite. There are lots of other hormones. There's the uh leptin and gurellin. There's the sympathetic tone. Sympathetic tone is part of our autonomic nervous system. The autonomic nervous system has two parts. The sympathetic which is the fightor-flight response and the parasympathetic which is the rest and relaxation. If you have a lot of sympathetic tone stimulation that is you're revving up with um amphetamines for example you are going to decrease body weight and decrease appetite. In fact, the old weight loss drugs such as empmphetamines uh which was the old drug that you they used to call speed or metampetamines or crack cocaine for example and they used to be called anorexians. That's the class of drugs. That is they cause anorexia. Stimulating the sympathetic tone killed [snorts] the hunger and that's why those people lost weight. The old drug fenfen which was fenfluramine fentamine fenfluramine increased sympathetic tone decreased appetite decreased body weight. So you know that it's decreasing your body fat thermostat. It's not simply calories in calories out. It's the thermostat which is adjusted by the hormones which then activates hunger or satiety or your basil metabolic rate and that's going to push you up or down. The reason it's important is because

Hormones that Aid Weight Loss (GLP-1 & Testosterone)

foods stimulate different hormones. So if you have a certain food like cookies which stimulate a lot of insulin, it means that for the same number of calories, it's going to be much more fattening than say broccoli which doesn't stimulate a lot of insulin. And all it says is that a calorie may be a calorie, but not all calories are equally fattening. Who believes that cookies are as fattening as broccoli? Like who gets fat eating broccoli? Like nobody. So obviously the number of calories is only a single part of the equation. Yes, eating two cookies is worse than eating one cookie. But eating equal calorie portions of cookies and eggs are not the same because they stimulate different hormones. And these different hormones are going to push up or down your body fat thermostat. If you are eating constantly all the time, you're eating lots of refined carbohydrates, what's happening? You're stimulating insulin all the time. What does high insulin do? Pushes up your body fat thermostat. You're going to gain weight. So, it's not simply the calories that are important. It's also the effect on the hormones. If you eat a lot of high protein foods, you're going to stimulate a lot of GLP1, which is going to push

How to Naturally Lower Your Set Point

down that thermostat. If you eat a lot of fiber, it's going to push it down. If you eat very bulky foods, that's going to stimulate the barrel receptors in your stomach, which activate satiety, which pushes your thermostat down. So, you need to understand how these affect eating behavior. That's what homeostatic hunger is. It's the hormonal drive which ultimately manifests itself in either hunger or satiety because remember the key is controlling the hunger, not the calories. That's the key to weight loss. It's all covered in my new book, The Hunger Code. Please check it out for pre-orders. There's a special bonus of over $500, including a master class. So please have a look.

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