Day 09: Sugar, Triglycerides & Insulin Resistance

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Day 09: Sugar, Triglycerides & Insulin Resistance

Host:

Doctor Warrick

Oct 3, 2025

Played 536 times

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Cholesterol

Welcome to the Younger Longer 14-Day Cholesterol Challenge. My name is Dr. Warrick Bishop. I'm a preventative cardiologist and I'm super excited that you're looking to look after your cholesterol. It is one of the most important and really one of the simplest things you can look after to look after your heart for the rest of your life.

During this 14-Day Challenge, I'm going to share with you a whole lot of stuff. Every day, a video, some resources, a challenge or a task for you to complete and a fun fact. Stay tuned, your cholesterol is super important. Let me explain to you how, what you're going to do about it and how you're going to look after yourself for the years ahead!

Why Listen?

Get practical tips and science-backed advice you can apply immediately.
Learn from real-world examples and medical expertise.
Gain daily challenges to help you stay engaged and track progress.
Take charge of your heart health in a simple, effective, and engaging way.

Takeaways:

Carbohydrates and their effect on blood fats
Triglycerides as a marker of metabolic health
The TG/HDL ratio as an insulin resistance clue
Fun Fact: A high TG/HDL ratio may be a stronger risk signal than high LDL alone.
Daily Task: Swap sugary drinks today for water or sparkling water with lemon.
Resource: https://diabetesjournals.org/diabetes/article/54/2/333/12268/Identification-of-Individuals-With-Insulin?utm
MY YOUTUBE VIDEO https://youtu.be/EnLb1kIWnvI?si=SEpBIGu4HCNUpGOl

Transcript:

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Transcript English

**Episode Title: Day 09: Sugar, Triglycerides & Insulin Resistance** **Speaker:** Hi and welcome to day 9. We're talking about carbohydrate, triglyceride, and insulin resistance. This is a really interesting space, and I've been in this space for a long time—well, probably 15 odd years. I've come to the conclusion, and this was many years ago, that insulin is really not there just to control sugar. Insulin is probably the hormone that our ancestors, from an evolutionary perspective millions of years ago, used to capitalize on the abundance of food in a seasonal situation. So, we would have a nutritious meal, probably with carbohydrate, because that's quite seasonal if you think of fruit or fruit equivalents. The body would produce insulin really to try and store that energy for later. If you think of insulin as a storage hormone, then it makes perfect sense; it pushes up triglyceride levels so that that fat can be sent to organs where it can be stored. Unfortunately, these modern days, we store it around our belly. So, sugar kicks off insulin, and insulin pushes up the body's mechanisms for storage, which includes raised triglycerides. This tends to lower HDL cholesterol and change the particle size for LDL cholesterol. So, my habit over the years has really been to advise people to keep their cholesterol under control using, you know, if appropriate, medication, but try and control their metabolism and keep their insulin under control by keeping their carbohydrates down. I think insulin, particularly once people have put on weight, becomes problematic with associated inflammation, so do be aware of that. I've done quite an extensive YouTube video on this with information that I'd love you to have a look at, where I talk about my journey with this. Realizing that my very good friend of about 50 years and I clearly have different metabolic processes—he's strong, powerful, played rugby, I'm pretty light, much smaller muscularly, and I used to be a long-distance runner. So, I started to do some insulin experiments on he and I, and they're different. So please check out that YouTube clip where I explain all that if you're interested, and check out the podcast for today. Maybe keep your carbs down for now. I do hope you live as well as possible for as long as possible, and bye for now.