Summary
The obesity epidemic in the United States has roots that trace back to dietary guidelines established in the mid-20th century, which emphasized low-fat diets and increased carbohydrate consumption. Initially, heart disease was the primary concern, leading to the belief that dietary fat was the culprit behind rising heart attack rates. This shift in focus prompted nutritionists to advocate for reduced fat intake and increased consumption of carbohydrates, despite evidence suggesting that this approach may have inadvertently contributed to the obesity crisis.
Historical perspectives on obesity treatment reveal that early diet recommendations, such as those from William Banting in the 19th century, emphasized low carbohydrate intake. However, by the 1970s, the narrative shifted dramatically, with a push for low-fat diets that led to a rise in refined carbohydrates and sugars in American diets. This change coincided with a significant increase in obesity rates, suggesting that the advice to reduce fat intake may have been misguided.
Recent studies indicate that dietary fat, particularly saturated fat, may not be as harmful as once thought. In fact, evidence suggests that higher fat consumption could be protective against heart disease and obesity. The emphasis on caloric reduction as a primary strategy for weight loss has also been challenged, with experts arguing that hormonal responses to different foods play a crucial role in weight management. This perspective shifts the focus from simply counting calories to understanding the physiological effects of various macronutrients on the body.
As the conversation around obesity continues to evolve, it becomes clear that addressing the epidemic requires a reevaluation of long-held dietary beliefs and a more nuanced understanding of how different foods impact health and weight.
Show Notes
Dr. Jason Fung explains how the 1977 dietary guidelines led to the obesity epidemic. The Dietary Guidelines for Americans changed the way Americans ate, advising us to eat more carbs and less fat to prevent heart disease, but this lead to weight gain. When we gained weight, we were then told it was our own fault. Check out my blog at https://medium.com/@drjasonfungMore Information: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?ref=exp_jasonfung_dp_vv_dThe Diabetes Code - Reviewing how type 2 diabetes is a reversible disease and dietary strategies. https://www.amazon.com/dp/B0795BLS8D?ref=exp_jasonfung_dp_vv_dThe Cancer Code - Scientific exploration of how cancer develops - https://www.amazon.com/dp/0062894005?ref=exp_jasonfung_dp_vv_dAmazon:USA - https://www.amazon.com/shop/jasonfungCanada - https://www.amazon.ca/shop/jasonfung**Fasting Aids**Pique Fasting Tea (recommended)https://www.piquetea.com/drjasonfungFasting Community and Coaching:https://www.thefastingmethod.com/YouTube Medical Lectures (for specialist physicians):1. The Roots of the Obesity Epidemic - https://youtu.be/q8BGYhreaco2. Therapeutic Fasting - The Two Compartment Problem: https://youtu.be/ETkwZIi3R7w3. Does Calorie Counting work? https://youtu.be/5F5o0a4p_3U4. Two Big Lies of Type 2 Diabetes - https://youtu.be/FcLoaVNQ3rc5. Reversing Type 2 Diabetes Naturally - https://youtu.be/mAwgdX5VxGc6. Insulin Toxicity - https://youtu.be/4oZ4UqtbB_g7. Saturated Fat - Friend or Foe? https://youtu.be/QetsIU-3k7Y8. Diet and Disease - https://youtu.be/2yoOx_7MLn09. Dangers of Fructose - https://youtu.be/pG89j432w-Y10. Insulin Resistance - https://youtu.be/dimP7IdM2Og11. Role of Hormones in Weight Loss - https://youtu.be/ZbnshVO4PRM12. The Obesity Code Lecture 1 - https://youtu.be/YpllomiDMX0Join this channel to get access to perks:https://www.youtube.com/channel/UCoyL4iGArWn5Hu0V_sAhK2w/join#jasonfung #drjasonfung #fasting #fastingbenefits #weightlosstips #intermittentfasting #drfung #fung #calories #weightlosstips #caloriesincaloriesout #weightloss #nutrition #diet #healthTimestamps0:00 History of obesity medicine4:11 The Low Fat Era of Weight Loss10:23 Problems with with Low Fat Diet16:41 Saturated Fat21:00 The Paradox of eating Low Fat25:43 The shocking origins of Vegetable Oil32:35 The Food Pyramid35:23 The Obesity Epidemic37:00 Calorie Counting is not physiologic48:00 Obesity is a hormonal imbalance, not a caloric one Learn more about your ad choices. Visit megaphone.fm/adchoices
More from Jason Fung
Dr. Jason Fung shares 5 important reasons why intermittent fasting is such a great strategy for weight loss. Compared to other weight loss strategies, it has several inherent advantages. It is simple. Fasting is free. Fasting can be used with any diet. Fasting saves time. Most importantly, intermittent fasting works and is the most powerful weight loss tool. Check out my blog at https://medium.com/@drjasonfungMore Information: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?ref=exp_jasonfung_dp_vv_dThe Diabetes Code - Reviewing how type 2 diabetes is a reversible disease and dietary strategies. https://www.amazon.com/dp/B0795BLS8D?ref=exp_jasonfung_dp_vv_dThe Cancer Code - Scientific exploration of how cancer develops - https://www.amazon.com/dp/0062894005?ref=exp_jasonfung_dp_vv_dAmazon:USA - https://www.amazon.com/shop/jasonfungCanada - https://www.amazon.ca/shop/jasonfung**Fasting Aids**Pique Fasting Tea (recommended)https://www.piquetea.com/drjasonfungFasting Community and Coaching:https://www.thefastingmethod.com/YouTube Medical Lectures (for specialist physicians):1. The Roots of the Obesity Epidemic - https://youtu.be/q8BGYhreaco2. Therapeutic Fasting - The Two Compartment Problem: https://youtu.be/ETkwZIi3R7w3. Does Calorie Counting work? https://youtu.be/5F5o0a4p_3U4. Two Big Lies of Type 2 Diabetes - https://youtu.be/FcLoaVNQ3rc5. Reversing Type 2 Diabetes Naturally - https://youtu.be/mAwgdX5VxGc6. Insulin Toxicity - https://youtu.be/4oZ4UqtbB_g7. Saturated Fat - Friend or Foe? https://youtu.be/QetsIU-3k7Y8. Diet and Disease - https://youtu.be/2yoOx_7MLn09. Dangers of Fructose - https://youtu.be/pG89j432w-Y10. Insulin Resistance - https://youtu.be/dimP7IdM2Og11. Role of Hormones in Weight Loss - https://youtu.be/ZbnshVO4PRM12. The Obesity Code Lecture 1 - https://youtu.be/YpllomiDMX0Join this channel to get access to perks:https://www.youtube.com/channel/UCoyL4iGArWn5Hu0V_sAhK2w/join#jasonfung #drjasonfung #fasting #fastingbenefits #weightlosstips #intermittentfasting #drfung #fung #calories #weightlosstips #caloriesincaloriesout #weightloss #nutrition #diet #healthTimestamps:0:00 Intro0:19 What is fasting?0:54 Fasting benefit - It's simple2:00 Fasting benefit - It's convenient3:34 Fasting benefit - It's free4:31 Fasting benefit - Can be used with any diet5:52 Fasting benefit - It's powerful Learn more about your ad choices. Visit megaphone.fm/adchoices
Jason Fung shares the basics of Intermittent Fasting, the who, what, when and how including some tips for fasting. Check out my blog at https://medium.com/@drjasonfungMore Information: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?ref=exp_jasonfung_dp_vv_dThe Diabetes Code - Reviewing how type 2 diabetes is a reversible disease and dietary strategies. https://www.amazon.com/dp/B0795BLS8D?ref=exp_jasonfung_dp_vv_dThe Cancer Code - Scientific exploration of how cancer develops - https://www.amazon.com/dp/0062894005?ref=exp_jasonfung_dp_vv_dAmazon:USA - https://www.amazon.com/shop/jasonfungCanada - https://www.amazon.ca/shop/jasonfung**Fasting Aids**Pique Fasting Tea (recommended)https://www.piquetea.com/drjasonfungFasting Community and Coaching:https://www.thefastingmethod.com/YouTube Medical Lectures (for specialist physicians):1. The Roots of the Obesity Epidemic - https://youtu.be/q8BGYhreaco2. Therapeutic Fasting - The Two Compartment Problem: https://youtu.be/ETkwZIi3R7w3. Does Calorie Counting work? https://youtu.be/5F5o0a4p_3U4. Two Big Lies of Type 2 Diabetes - https://youtu.be/FcLoaVNQ3rc5. Reversing Type 2 Diabetes Naturally - https://youtu.be/mAwgdX5VxGc6. Insulin Toxicity - https://youtu.be/4oZ4UqtbB_g7. Saturated Fat - Friend or Foe? https://youtu.be/QetsIU-3k7Y8. Diet and Disease - https://youtu.be/2yoOx_7MLn09. Dangers of Fructose - https://youtu.be/pG89j432w-Y10. Insulin Resistance - https://youtu.be/dimP7IdM2Og11. Role of Hormones in Weight Loss - https://youtu.be/ZbnshVO4PRM12. The Obesity Code Lecture 1 - https://youtu.be/YpllomiDMX0Join this channel to get access to perks:https://www.youtube.com/channel/UCoyL4iGArWn5Hu0V_sAhK2w/join#jasonfung #drjasonfung #fasting #fastingbenefits #weightlosstips #intermittentfasting #drfung #fung #calories #weightlosstips #caloriesincaloriesout #weightloss #nutrition #diet #healthTime Stamps0:00 Intro0:31 What is Fasting?1:47 Who should Fast?3:01 When to Fast?4:01 Why Fast?5:18 How to Fast?7:00 Beginner Fasting Protocol7:56 Fasting Tips Learn more about your ad choices. Visit megaphone.fm/adchoices
How financial conflicts of interest have corrupted modern medicine, from the medical journals to the universities. Studies that support drugs are published where those that don't are not, producing a corrupted version of reality. Check out my blog at https://medium.com/@drjasonfungMore Information: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?ref=exp_jasonfung_dp_vv_dThe Diabetes Code - Reviewing how type 2 diabetes is a reversible disease and dietary strategies. https://www.amazon.com/dp/B0795BLS8D?ref=exp_jasonfung_dp_vv_dThe Cancer Code - Scientific exploration of how cancer develops - https://www.amazon.com/dp/0062894005?ref=exp_jasonfung_dp_vv_dAmazon:USA - https://www.amazon.com/shop/jasonfungCanada - https://www.amazon.ca/shop/jasonfung**Fasting Aids**Pique Fasting Tea (recommended)https://www.piquetea.com/drjasonfungFasting Community and Coaching:https://www.thefastingmethod.com/YouTube Medical Lectures (for specialist physicians):1. The Roots of the Obesity Epidemic - https://youtu.be/q8BGYhreaco2. Therapeutic Fasting - The Two Compartment Problem: https://youtu.be/ETkwZIi3R7w3. Does Calorie Counting work? https://youtu.be/5F5o0a4p_3U4. Two Big Lies of Type 2 Diabetes - https://youtu.be/FcLoaVNQ3rc5. Reversing Type 2 Diabetes Naturally - https://youtu.be/mAwgdX5VxGc6. Insulin Toxicity - https://youtu.be/4oZ4UqtbB_g7. Saturated Fat - Friend or Foe? https://youtu.be/QetsIU-3k7Y8. Diet and Disease - https://youtu.be/2yoOx_7MLn09. Dangers of Fructose - https://youtu.be/pG89j432w-Y10. Insulin Resistance - https://youtu.be/dimP7IdM2Og11. Role of Hormones in Weight Loss - https://youtu.be/ZbnshVO4PRM12. The Obesity Code Lecture 1 - https://youtu.be/YpllomiDMX0Join this channel to get access to perks:https://www.youtube.com/channel/UCoyL4iGArWn5Hu0V_sAhK2w/joinTimestamps:0:00 Medical Corruption in the medical literature11:50 Antidepressants - evidence of corrupted medical literature22:00 Changing the primary outcomes29:27 Ghostwriting in the medical literature36:50 Neurontin 46:26 Hormone Replacement Therapy#jasonfung #drjasonfung #fasting #fastingbenefits #weightlosstips #intermittentfasting #drfung #fung #calories #weightlosstips #caloriesincaloriesout #weightloss #nutrition #diet #health Learn more about your ad choices. Visit megaphone.fm/adchoices
Welcome back to The Diabetes Code Clinic, hosted by Dr. Jason Fung. If you missed Part 1, we covered the fundamentals of Type 2 Diabetes, including how it develops and how to start reversing it. In this episode, we dive deeper into the powerful role of a low-carb diet in achieving remission of Type 2 Diabetes.Learn why Type 2 Diabetes is essentially an overflow problem caused by excess sugar in your body and how reducing carbohydrate intake can help manage and even reverse this condition. Dr. Fung explains:✔️ The role of three macronutrients (proteins, fats, carbohydrates).✔️ Why carbohydrates are unnecessary for good health (carbs = sugar).✔️ Which foods raise blood sugar levels and which do not.✔️ Practical tips to adjust your diet, focusing on non-starchy vegetables, proteins, and natural fats.▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ Timestamps for Easy Navigation:⏱️ 00:00 - Introduction to The Diabetes Code Clinic Part 2⏱️ 00:38 - How to Reverse Type 2 Diabetes with a Low-Carb Diet⏱️ 01:20 - Understanding the Three Macronutrients⏱️ 02:53 - What are Carbohydrates and Their Effects?⏱️ 05:32 - What to Eat on a Low-Carb Diet⏱️ 07:45 - What to Avoid on a Low-Carb Diet▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ Key Points Discussed:Dr. Fung provides practical advice to help you make dietary changes that can drastically improve your health. He also shares insights from Dr. David Unwin’s groundbreaking results, where 46% of patients achieved full remission of Type 2 Diabetes with simple dietary changes.Discover the foods you should prioritize—like green vegetables, proteins, and healthy fats—and those to avoid, including starchy carbs, sugary drinks, and processed snacks. Learn why fruits like berries are better than sweeter fruits like bananas and mangoes for blood sugar control.Why Watch This Video?This video will empower you to:✅ Understand the direct link between diet and blood sugar levels.✅ Learn how to safely and effectively reduce carbohydrates to achieve Type 2 Diabetes remission.✅ Take control of your health with actionable, science-backed advice.📢 Share Your Journey:Have you tried reversing Type 2 diabetes? Let us know your experience in the comments below. Dr. Fung and the community would love to hear from you!============================= 📌 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- https://drjasonfung.medium.com 🔹 Community- https://www.thefastingmethod.com 🔹 Facebook - https://www.facebook.com/jason.fung.313 🔹 Instagram - https://www.instagram.com/drjasonfung/ 🔹 Twitter - https://twitter.com/drjasonfung ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ 📌 YouTube Medical Lectures (for specialist physicians): ▶️ The Roots of the Obesity Epidemic: https: //www.youtube.com/watch?v=q8BGYhreaco&t=0s ▶️ Therapeutic Fasting - The Two Compartment Problem:https: //www.youtube.com/watch?v=ETkwZIi3R7w&t=0s ▶️ Does Calorie Counting work?: https://www.youtube.com/watch?v=5F5o0a4p_3U&t=0s ▶️ Two Big Lies of Type 2 Diabetes: https://www.youtube.com/watch?v=FcLoaVNQ3rc&t=0s #DiabetesCode #ReverseDiabetes #Type2Diabetes #DrJasonFung #IntermittentFasting Learn more about your ad choices. Visit megaphone.fm/adchoices
Hi, I’m Dr. Jason Fung, and welcome to Part 3 of the Diabetes Code Clinic, where we focus on reversing Type 2 diabetes through proven methods. If you missed Parts 1 and 2, I recommend watching those first, as we discussed what Type 2 diabetes is and introduced the low carbohydrate diet.In today’s video, we’re diving deeper into the low carbohydrate diet and why it’s one of the most effective approaches for reversing Type 2 diabetes. The key to managing this disease lies in understanding how blood glucose levels are affected by what you eat. Using tools like the glycemic index and glycemic load, you can identify foods that raise your blood sugar and those that don’t.You’ll learn:✔️ Why cutting carbohydrates is essential for managing diabetes✔️ The difference between refined and natural carbohydrates✔️ How foods like vegetables, proteins, and healthy fats can stabilize blood sugar✔️ Easy swaps and practical tips to stick to a low-carb diet✔️ What happens if your blood sugar drops too low—and how to handle it▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ Timestamps for Easy Navigation:⏱️ 00:00 Topics to be covered today⏱️ 00:27 Low carbohydrate diet⏱️ 01:20 Foods that raise or don’t raise blood glucose⏱️ 03:21 Glycemic index of foods⏱️ 06:44 Reports on low-carb diets⏱️ 08:50 Very low carbohydrate foods⏱️ 09:17 What to eat on a very low-carb diet?⏱️ 10:27 What if my blood glucose goes down?⏱️ 10:59 Ending▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ Key Points:✅ Type 2 diabetes occurs when the body is overwhelmed with glucose, causing blood sugar levels to rise.✅ A low carbohydrate diet targets the root cause—excess glucose—by reducing sugar intake and prioritizing foods that don’t spike blood sugar.✅ Using tools like the glycemic index (GI) and glycemic load, you can make informed choices about what to eat.✅ Refined carbs (like bread and cornflakes) spike blood sugar, while natural carbs (like carrots and cauliflower) have a much lower impact.✅ Incorporating low-carb, high-protein foods such as chicken, beef, eggs, and non-starchy vegetables can significantly improve blood glucose levels.Tips for Following a Low-Carb Diet:1️⃣ Choose Whole Foods: Focus on natural, unprocessed foods.2️⃣ Fill Your Plate Smartly: Half with non-starchy vegetables, half with proteins.3️⃣ Try Low-Carb Substitutes: Use lettuce wraps, cauliflower rice, or konjac noodles instead of bread and traditional pasta.4️⃣ Monitor Your Blood Sugar: If you’re on diabetes medication, consult your doctor to adjust dosages as needed.Benefits of a Low-Carb Diet:📉 Reduces blood sugar levels and HbA1c⚖️ Promotes weight loss💊 Reduces dependency on diabetes medications✔️ Scientifically backed by organizations like the American Diabetes Association (ADA) and the American Heart Association (AHA)Why Watch This Video?If you or a loved one is struggling with Type 2 diabetes, this video provides actionable insights to start reversing the disease naturally. By following a low-carb lifestyle, you can regain control over your health and reduce the need for medications.Don’t forget to like, comment, and subscribe to stay updated with more health and diabetes management tips. Hit the notification bell so you never miss out!📢 Share Your Journey:Have you tried reversing Type 2 diabetes? Let us know your experience in the comments below. Dr. Fung and the community would love to hear from you!============================= 📌 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/ Learn more about your ad choices. Visit megaphone.fm/adchoices