Intro

Angela welcomes Dr Sarah Berry to explore common misconceptions surrounding seed oils, including concerns about rancidity, oxidation, and their association with inflammation and cardiovascular disease.

Sarah presents evidence from her extensive research, arguing that seed oils, when consumed in moderation, do not pose significant health risks and may even offer benefits, such as lowering LDL cholesterol.

KEY TAKEAWAYS

• Seed Oils Aren’t the Villains: Dr. Berry explains that seed oils have been misunderstood and demonised. They may lower LDL cholesterol and contain natural antioxidants like vitamin E, which protect against oxidation.

• Processing Myths Debunked: Many fear the chemicals in seed oil production, but Dr. Berry notes that most are removed or present in trace amounts that pose no health risks.

• Balance is Key: Olive oil remains the "king of oils," but a mix of oils, including rapeseed or sunflower, can provide various health benefits.

• Omega-6 Concerns Are Overblown: High omega-6 intake is fine as long as there’s enough omega-3 in your diet to balance it out.

TIMESTAMPS AND KEY TOPICS

• 0:04 – Dr. Sarah Berry on misconceptions about seed oils
• 2:20 – Introduction by Angela Foster
• 4:15 – Common myths about seed oils (oxidation, inflammation, and rancidity)
• 8:10 – Benefits of seed oils in lowering cholesterol and inflammation
• 19:24 – Glass vs. plastic packaging for oils
• 24:04 – Comparing olive oil and rapeseed oil for health benefits
• 35:24 – Historical context of fats, trans fats, and dietary trends
• 41:04 – Deep frying and health concerns around reused oils
• 54:43 – Omega-6 and omega-3 ratios explained

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ABOUT THE GUEST

Sarah is a Professor at King’s College London and Chief Scientist at ZOE, the science
and nutrition company. An academic leader in Nutrition Science, Sarah has run more
than 35 human nutrition studies and currently leads the world's largest in-depth
nutrition research program, the ZOE PREDICT study. Her research is at the forefront
of personalised nutrition, our understanding of fats and the food structure. Sarah’s
recent studies explore topics such as menopause, snacking and cardiometabolic
health.
She’s often featured as an expert on ZOE's own podcast, ZOE Science and Nutrition,
and regularly appears on television and radio to translate complex science into useful
advice.

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