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: Cholesterol—Separating Fats from Fiction

Dr. Warrick Bishop, a cardiologist, author, and CEO of the Healthy Heart Network, hosts this episode to promote his new book Cholesterol Explained, co-authored with Karam Kostner and Penny Edmond. The episode aims to demystify cholesterol by explaining the difference between cholesterol as a molecule and cholesterol measured in blood tests, and to clarify common misconceptions about "good" and "bad" cholesterol in the context of heart disease prevention.

Key Takeaways:

• Cholesterol is essential for the body and serves critical functions including building cell membranes, producing sex hormones, synthesizing vitamin D, and creating bile acids.

• What we measure in blood tests are lipoproteins (particles carrying cholesterol), not cholesterol itself, since cholesterol is a fat that would separate in blood without a protein carrier.

• LDL and HDL cholesterol are not simply "bad" and "good"—high LDL doesn't always correlate with plaque buildup, and high HDL doesn't always provide protection.

• Triglyceride levels are more important than previously believed, often indicating insulin resistance and poor metabolic health, and the triglyceride-to-HDL ratio is a powerful metabolic marker.

• Lipoprotein(a) is a genetically determined particle with very high affinity for coronary arteries and is strongly linked to premature heart disease.

• Imaging arteries to detect actual plaque buildup is crucial for risk assessment, as individuals can have perfect cholesterol numbers but significant arterial calcification.

• Statins are neither inherently good nor bad; their appropriateness depends on finding the right individual with actual arterial disease, similar to how Panadol works only for those with headaches.

• Predicting cardiovascular risk requires a comprehensive approach beyond blood tests, including inflammation levels, insulin resistance, blood pressure, lifestyle choices, and family history.