Welcome to my podcast. I am Doctor Warrick Bishop, and I want to help you to live as well as possible for as long as possible. I’m a practising cardiologist, best-selling author, keynote speaker, and the creator of The Healthy Heart Network. I have over 20 years as a specialist cardiologist and a private practice of over 10,000 patients.

Episode Summary: Triglycerides and Heart Disease (Part 1)

Dr. Auric Bishop, a cardiologist and CEO of the Healthy Heart Network, hosts this episode with Warwick Bishop to explore triglycerides—fats that travel in the blood and are significantly associated with heart disease risk. The episode aims to help listeners understand what triglycerides are, why they matter for cardiovascular health, and how they relate to the broader metabolic factors that increase heart disease risk in Australia, where someone suffers a heart attack every 20 minutes.

Key Takeaways:

• Triglycerides are three fatty acids bound to a glycerol backbone and serve as the body's primary energy storage unit, sourced mainly from dietary fats, oils, and processed foods.

• High triglyceride levels are associated with lower HDL (good cholesterol), increased small dense LDL particles (bad cholesterol), and significantly increased cardiovascular disease risk.

• Elevated triglycerides are linked to central adiposity (belly fat) and visceral fat around organs, which also correlates with high blood pressure, pre-diabetes, diabetes, and increased blood clotting risk.

• Both carbohydrate and alcohol consumption increase triglyceride production through similar metabolic pathways—both convert to acetyl-CoA, which the body uses to synthesize fatty acids and triglycerides.

• Regular physical exercise of at least 150 minutes per week is highly effective at lowering triglycerides because exercise depletes the body's energy reserves and improves insulin sensitivity.

• Insulin resistance creates a "gang of usual suspects" that includes elevated triglycerides, low HDL cholesterol, and small dense LDL particles, all closely linked to excess weight and obesity.

• Triglycerides themselves do not directly deposit into atherosclerotic plaques; instead, they serve as a marker of poor metabolic health and underlying processes that drive cardiovascular disease.

• The relationship between triglycerides and heart disease is complex and involves multiple interconnected factors including inflammation, blood pressure, metabolic function, and cholesterol particle composition rather than triglycerides acting alone.