What Actually Caused your Diabetes

A mysterious disease is claiming lives across the nation. Doctors are helpless. The death toll keeps rising. With no answers in sight, one detective takes on the case. The victims are different, yet something connects them all. As factories grow and diets change, a troubling pattern begins to emerge. Can you solve the mystery before the detective does? What if I told you that your diabetes did not start the day you were diagnosed? What if it started 10 years before that? 20 years before that? What if it started in your childhood? Not because of your genes, not because of bad luck, but because of a series of very specific, very preventable things that happened inside your body that nobody ever told you about? I am Dr. Rahmat Ergin. I'm an endocrinologist. I have spent years treating patients with diabetes and I need to be honest with you today, completely honest, in a way that most doctors won't be in a 15-minute office visit. Because here is the truth. Most people who get a diabetes diagnosis are handed a pamphlet, told to watch their carbs, put on metformin, and sent home. And nobody, nobody sits down with them and says, let's talk about what actually caused this. That changes right now, because if you do not understand what caused your diabetes, you can never truly fix it. Let's start with something fundamental, something I want you to really hear. Diabetes, specifically type 2 diabetes, is not primarily a blood sugar problem. I'll say that again. Type 2 diabetes is not primarily a blood sugar problem. Blood sugar is the symptom. High blood glucose is what we measure, what we treat, what we chase with medications. But it is not the root cause. Diabetes is, at its core, a problem of insulin signaling and cellular communication. And when we start looking at it through that lens, through a functional medicine lens, suddenly everything makes sense. Suddenly, you understand why you got here. There are multiple drivers, multiple causes, and they all work together like a perfect storm inside your body. Let me walk you through each one. Let's start with insulin resistance, because this is ground zero. This is where it all begins. Here's how it works in simple terms. You eat something. Let's say a bowl of white rice or a piece of bread or a soda. Your blood sugar goes up. Your pancreas senses this and releases insulin. Insulin is like a key. It goes to your cells, your muscle cells, your fat cells, your liver cells, and it knocks on the door. It says, hey, let this glucose in. Use it for energy. Now, in a healthy body, the cell opens the door. Glucose comes in. Blood sugar drops. Everything is fine. But here's where it goes wrong. When you're constantly flooding your system with sugar, with refined carbohydrates, with processed foods, your cells start to get overwhelmed. They've had enough. They start to ignore the knock. The insulin key is there, but the lock is jammed. The door doesn't open as easily. So what does your pancreas do? It panics. It makes more insulin. It knocks harder. Sometimes the door opens. Sometimes it doesn't. But over time, your insulin levels are chronically elevated, and this is called hyperinsulinemia, high insulin. And here is something critically important that most people don't realize. High insulin is not just a response to diabetes. High insulin is one of the main drivers of diabetes. Chronically elevated insulin makes your cells even more resistant. It's a vicious cycle. It creates more fat storage, more inflammation, more hormonal disruption. And your pancreatic beta cells, the ones making all that insulin, they start to burn out. They get fatigued, and eventually they can't keep up anymore. Blood sugar rises, and now you have full-blown type 2 diabetes. This process typically takes 10 to 20 years, and during most of that time, your doctor is telling you your labs look fine. Now let's talk about diet, because this one hits hard. We live in a world where 70% of the food available in a typical grocery store is ultra processed. And the modern diet, the standard American diet, the SAD diet, which is appropriately named, is a disaster for your metabolic health. Let me break down the three biggest dietary offenders. Number one, refined carbohydrates and added sugar. White bread, pasta, cereals, crackers, pastries, sugary beverages, fruit juice. Yes, fruit juice. These foods spike your blood sugar rapidly. They demand a massive insulin response, and when you're eating them multiple times a day, every single day, for years, you are training your cells to become resistant. You are exhausting your pancreas. You are, quite literally, metabolically damaging yourself meal by meal. The average American consumes over 150 pounds of sugar per year. That is not a typo. 150 pounds. Our bodies were never designed to handle this. We evolved consuming sugar seasonally, from fruit in the late summer, as a signal to store fat for winter. Now we are flooding our system with that signal 365 days a year. Number two, industrial seed oils. This is the one nobody talks about. Canola oil, soybean oil, corn oil, sunflower oil, cotton seed oil. These oils didn't exist in the human diet 100 years ago. They are highly processed, highly inflammatory, and they are in almost every packaged food, every restaurant, every fast food item you can find. These oils disrupt the function of your cell membranes. They increase systemic inflammation. And inflammation, I'm going to come back to this, is one of the most powerful drivers of insulin resistance. When your cells are inflamed, they do not respond to insulin properly. Period. Number three, the absence of real food. Here's the flip side. While people are eating too much of the wrong things, they're also eating too little of the right things. Healthy fats, quality protein, fiber-rich vegetables, fermented foods, whole, unprocessed foods that nourish your microbiome, stabilize your blood sugar, and keep your cells sensitive to insulin. The absence of magnesium alone, which is found in leafy greens, seeds, and nuts, is a massive problem. Magnesium is required for over 300 enzymatic reactions in your body, including insulin signaling. And studies show that over 50% of diabetics are deficient in magnesium. Not coincidental. Now let's talk about something that I know every single person watching this can relate to. Stress. When you are stressed, and I mean real stress, the kind most of us live with every day, financial stress, relationship stress, work stress, health anxiety, your adrenal glands release a hormone called cortisol. Cortisol is your fight or flight hormone. It is brilliant in the right context. If a lion is chasing you, cortisol dumps glucose into your bloodstream so your muscles have instant fuel to run. It suppresses digestion, suppresses immunity, and focuses all your body's resources on survival. Brilliant. But here's the problem. Your body does not know the difference between a lion chasing you and a stressful email from your boss at 11 p.m. It responds the same way. So when you are chronically stressed, and most of us are, your cortisol is chronically elevated. And chronically elevated cortisol means chronically elevated blood sugar. It means chronically high insulin. It means more fat storage around your belly. Visceral fat. The most metabolically dangerous kind. And it means your immune system is in a constant state of low-grade activation. Which brings me to the next cause. Inflammation. This word gets thrown around a lot. But I want you to really understand what it means in the context of diabetes. There are two types of inflammation. Acute inflammation. That's when you cut your finger and it swells up and heals. That's healthy. We need that. Then there's chronic, systemic, low-grade inflammation. This is the silent kind. You can't feel it, but it is burning inside you every single day. And it is one of the primary mechanisms through which insulin resistance develops and worsens. Inflammatory cytokines, molecules like TNF-alpha, IL-6, and others, directly interfere with insulin receptor signaling. They essentially gum up the lock so the key can't work. And this type of inflammation is driven by all of the things we've already discussed. Processed foods. Seed oils. Excess sugar. Chronic stress. But it's also driven by a few other things we need to talk about. Visceral fat. The fat that accumulates around your organs, the fat you carry in your belly, is not just passive storage. It is metabolically active. It releases inflammatory molecules constantly. This is why abdominal obesity is such a powerful risk factor for diabetes. It's not just correlation. It's causation. Gut dysbiosis. An imbalance in your gut microbiome is another massive driver of systemic inflammation. When the bad bacteria in your gut outnumber the good ones, when your intestinal lining becomes permeable, what some call leaky gut, bacterial toxins called lipopolysaccharides, or LPS, leak into your bloodstream and trigger a powerful inflammatory cascade that directly contributes to insulin resistance. Your gut is not just a digestive organ. It is an endocrine organ. It is an immune organ. And when it's dysregulated, your entire metabolic system suffers. Here's one that genuinely surprises people when I bring it up in my clinic. Sleep. One night, just one night of poor sleep can make a healthy person temporarily insulin resistant the next day. There are studies showing this. This is not minor. This is not a footnote. This is a primary metabolic driver. When you don't sleep enough, and enough for most people means seven to nine hours, your cortisol goes up. Your hunger hormone, ghrelin, goes up. Your satiety hormone, leptin, goes down. You crave sugar and carbohydrates. You have less willpower and impulse control because your prefrontal cortex is impaired and your insulin sensitivity drops measurably. Chronic sleep deprivation, sleeping five to six hours a night over years, which is extremely common, is an independent risk factor for type 2 diabetes. Not just associated, independent. Meaning, even if everything else was perfect, poor sleep alone can push you toward diabetes. And here's the cruel irony. Diabetes itself destroys sleep. High blood sugar causes frequent urination. Neuropathy causes restless legs and pain. Sleep apnea, which is far more common in diabetics, disrupts sleep architecture. So poor sleep causes diabetes, and diabetes causes poor sleep. Another vicious cycle. Your muscles are your single largest site of glucose disposal. When your muscles contract, when you move, when you exercise, they absorb glucose from your bloodstream, both with and without insulin. Your muscles are essentially metabolic sponges. When you are sedentary, those sponges shrink. Your muscle mass decreases. Your metabolic rate drops. Your cells become more insulin resistant because they're not being used. And glucose has nowhere to go except to pile up in your bloodstream. This is why sarcopenia, the loss of muscle mass that happens with aging and inactivity, is one of the biggest under-recognized contributors to type 2 diabetes. People think diabetes is about weight. And yes, obesity is a major risk factor. But I've had thin patients, people with a normal BMI, develop type 2 diabetes because they had almost no muscle mass. Normal weight, but metabolically impaired. Muscle is medicine. Movement is medicine. Walking after meals alone, just 10 minutes, can blunt the post-meal blood sugar spike significantly. The research on this is clear and consistent. This is the chapter of the diabetes story that almost never gets told. And it should. We live in a world saturated with chemicals. BPA in plastics. Phthalates in personal care products. Pesticides in non-organic produce. PFAS, forever chemicals, in cookware, food packaging, water supplies. Heavy metals, like arsenic and mercury. These chemicals are called endocrine disruptors because they interfere with your hormonal system. And many of them, specifically a class called obesogens and diabetogens, directly impair insulin signaling, promote fat cell accumulation, and disrupt pancreatic beta cell function. There is a growing body of research now linking environmental chemical exposure to the global rise in type 2 diabetes. This is not fringe science. The American Diabetes Association has acknowledged these connections. Arsenic in rice and drinking water, for example, has been directly linked to diabetes risk. BPA disrupts insulin secretion from pancreatic beta cells. Persistent organic pollutants, PCBs, dioxins, found in conventionally farmed animal products, are correlated with insulin resistance. You cannot medicate your way out of a toxic environment. And a functional medicine approach to diabetes absolutely must address toxic load. Now, I know some of you are thinking, but Dr. Ergen, diabetes runs in my family. Doesn't that mean it was inevitable? Let me address this directly. Yes, genetics plays a role. There are genetic variants that increase your susceptibility to insulin resistance, to pancreatic beta cell dysfunction, to obesity. If your parents or siblings have diabetes, your risk is meaningfully higher. But here is what the science of epigenetics has taught us. And this is one of the most important things in modern medicine. Your genes load the gun. Your lifestyle pulls the trigger. Epigenetics is the study of how your environment and behaviors turn genes on and off. And we now know that the metabolic dysfunction we are discussing, insulin resistance, chronic inflammation, gut dysbiosis, can literally switch on diabetic gene expression. And conversely, changing your diet, reducing stress, improving sleep, and moving your body can switch those genes back off. You are not a prisoner of your DNA. This is a message I deliver to every single patient who sits across from me. Your family history is a warning, not a sentence. So let's zoom out and look at the full picture. What caused your diabetes? It wasn't one thing. It was a cascade, a perfect storm of interacting factors. Decades of refined carbohydrates and processed foods that chronically spiked insulin and drove cellular resistance. Industrial seed oils and processed food additives that created systemic inflammation and disrupted your cell membranes. Chronic psychological stress that kept cortisol elevated, kept blood sugar elevated, and kept your body in a state of metabolic emergency. Poor sleep that impaired insulin sensitivity, ramped up hunger hormones, and left your body unable to repair and restore itself. Physical inactivity that atrophied your metabolic engines, your muscles, and removed your body's greatest tool for glucose disposal. Gut dysbiosis and intestinal permeability that turned your digestive system into a source of chronic systemic inflammation. Environmental toxin exposure that quietly disrupted your endocrine system over years and decades. And genetic susceptibility that amplified the damage from all of the above. These factors don't add together. They multiply. They compound. They create feedback loops that accelerate the dysfunction year after year until the tipping point is reached and the diagnosis is made. And that diagnosis, type 2 diabetes, is not the beginning of the problem. It is the official declaration that the problem has been building for a very long time. I want to leave you with something. Every day millions of people around the world are diagnosed with diabetes. They sit in a doctor's office. They are scared. They are confused. And they are told what they have but not why they have it. Not really. They're handed a medication, right? They're told to be careful with sugar and they leave with the quiet unspoken belief that their body has simply failed them. But your body has not failed you. Your body has been responding perfectly, intelligently, desperately to an environment, a diet, a lifestyle, a world that was working against it. Every ounce of insulin resistance is your cell's last ditch attempt to protect itself from metabolic overload. Every adaptation your body made was survival. You're not broken. You are someone whose biology was pushed beyond what it was designed to handle. And the most powerful thing you can do right now today is to stop asking how do I manage this? And start asking how do I change the conditions that created this? Because that question and that question is the beginning of something completely different. That is the beginning of healing. And by the way, if this opened your eyes to something new, share this with someone who needs to hear it and drop a comment below. What is the one thing from today's video that hit you the hardest? Let's talk about it. I'm Dr. Ahmet Ergin. I practice in Port St. Lucie, Florida. I'll see you in the next video. Until then, stay well. Talk to you later.