The Diary Of A CEO

Fatty Liver Expert: Your Liver Is Filling With Fat Right Now - Dr David Unwin

with Dr David Unwin
18 May 2026 14 min read 2h 8m
TL;DR

One-third of the world's population with type 2 diabetes doesn't know they have it, losing 100 days of life per year. Dr Unwin shows that bread, rice, and cereals are pure sugar in disguise—and that fatty liver, driven by excess carbohydrates, is reversible through dietary change, not medication. The real scandal is that doctors were never taught basic nutrition, and patients are being blamed for failing diets that were designed to fail.

Key Moments
Dr David Unwin
“Your waist should be less than half your height. So, half of that string should go around the fattest bit of your belly. And this is a really simple test for everybody at home.”
Opening with a practical, measurable health metric that anyone can assess immediately without medical equipment
Dr David Unwin
“For every year that you have poorly controlled type 2 diabetes, you're losing 100 days of life. That's about a third of a year, isn't it? So, whatever age you are, if you uh have poorly controlled diabetes, you're losing life expectancy, and and maybe a third of all the people in the world with type 2 diabetes don't even know they have it.”
Explaining the hidden pandemic of undiagnosed diabetes and its severe mortality impact across all ages
▶ 5:40
Mrs Jones (patient)
“in the last 10 years, did you ever once tell me that bread was sugar or breakfast cereals were sugar? I had to learn online uh that bread is sugar, that rice is sugar, that breakfast cereals are sugar. And when I cut those foods, I don't need your metformin now.”
The pivotal moment when a patient confronted Dr Unwin about his failure to teach basic nutrition, spurring his entire career transformation
▶ 20:00
Dr David Unwin
“I'd never seen a single case in 25 years where people came off medication. I was fascinated because she'd done it, like a miracle. But there was another detail I'd just share with you. She was one of 40,000 people online learning from each other how to do it.”
Reflecting on the shock of witnessing drug-free diabetes reversal for the first time, and discovering a parallel health movement online
▶ 21:06
Dr David Unwin
“So, I didn't think that the biscuits made that much difference. Obviously, I knew basic nutrition. So, I made sure there's protein and there's iron and stuff. I fundamentally believed that drugs is what I should be using, medication, and that lifestyle was a sort of add-on.”
Admitting his core professional error: treating food as secondary to pharmaceuticals, a belief he held for 25 years as a practicing physician
▶ 32:46
About Dr David Unwin
›
Dr David Unwin is a GP in Liverpool named among the top 10 most influential doctors in the UK in 2018. After 25 years of prescribing medication-first approaches, he experienced a transformative epiphany when a patient successfully reversed her type 2 diabetes through low-carb living without metformin. Since 2013, he has been tracking hundreds of patients and discovered that 93% of pre-diabetics achieve normal blood sugar on a low-carb diet, and 73% of early-stage type 2 diabetics can reverse their condition without drugs.
Takeaways
1
Fatty liver is a silent 10-year warning sign One-third of people in developed countries have fatty liver disease caused by excess carbohydrate intake exceeding energy expenditure. The organ fills silently for ~10 years before triggering insulin resistance, then pancreatic fat accumulation collapses your ability to produce insulin. Early intervention via low-carb diet reverses fatty liver within weeks—Dr Unwin saw liver function improve by 30-50% in his patients, something he'd never observed in 25 years of prescribing drugs.
2
Health messaging fails because it omits basic macronutrient education A successful businessman and a Premier League footballer both asked Dr Unwin whether pizza was healthier than chicken—neither knew the three macronutrients (protein, fat, carbohydrate) or that bread, rice, and cereals are sugar. This educational vacuum persists despite internet access and widespread health content, revealing that health knowledge is not democratizing and physicians themselves were never trained in nutrition.
3
93% of pre-diabetics reverse their condition via lifestyle alone Dr Unwin's 13-year dataset of hundreds of patients shows that early intervention is dramatically more effective than waiting: 93% of pre-diabetics achieve normal blood sugar on low-carb diet, 73% of early-stage type 2 diabetics reverse their condition without drugs, and 50% of established diabetics still recover if caught early enough. This inverts the pharmaceutical incentive structure—the longer you wait, the less likely diet alone can save you.