Fats and oils: What’s the real story?

ZOE Science & Nutrition

ZOE

Nutrition, Science, Health & Fitness, Education

4.6 • 5.6K Ratings

🗓️ 14 April 2022

⏱️ 46 minutes

🔗️ Recording | iTunes | RSS

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Summary

Today we’re talking about fat, a delicious component of our food with a terrible reputation. Fats have been broadly associated with weight gain and heart disease until recently. A mountain of new scientific evidence suggests this is wrong and that it's not as simple as ‘all fat is bad’. Indeed, eating more healthy fat might actually reduce heart disease for many people. In today’s episode, Jonathan speaks to Dr Sarah Berry to learn about what science tells us today, whether it is possible to lose weight on a high-fat diet, what oils we should be cooking with, and the different types of fats. Dr. Sarah Berry is one of the world's leading experts on human nutrition, who has personally run over 20 randomised clinical trials looking at how humans respond to different fats. Download our FREE guide — Top 10 Tips to Live Healthier: https://zoe.com/freeguide Timecodes: 00:00 - Intro 02:50 - Episode Start 03:08 - Quickfire round 04:54 - Can fat ever be healthy? 08:53 - Is it possible to put on weight if you’re on a low-fat diet? 10:50 - Food accessibility & bioaccessibility 13:22 - Understanding the caloric data of fats 19:25 - Fats’ relationship with cholesterol 23:40 - Food labels aren't necessarily helpful 27:45 - What are the best oils to cook with? 33:04 - Are there any dangers of cooking with oil? 37:43 - Are eggs safe? 38:56 - Is fish good for you? 42:26 - Summary 45:59 - Goodbyes 46:28 - Outro Episode transcripts are available here. Follow Sarah: https://twitter.com/saraheeberry Follow ZOE on Instagram: https://www.instagram.com/zoe/ This podcast was produced by Fascinate Productions.

Transcript

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0:00.0	Welcome to Zoe, Science and Nutrition, where world-leading scientists explain how their
0:04.9	research can improve your health.
0:08.5	Today, we're talking about fat, a delicious component of our food with a terrible reputation.
0:16.4	Fat can be found in many different forms, from olive oil and avocados to bacon and butter.
0:22.8	But until recently, all fats have been linked to weight gain and heart disease.
0:28.0	We now know this to be wrong, but the fallout from the smear campaign against fats remains.
0:34.0	So how on earth did we get here?
0:36.4	Let's look back.
0:41.0	America, 1940.
0:48.2	In a host of laboratories across the country, scientists are working feverishly to identify
0:52.8	the cause of heart disease, which is killing over a million Americans each year.
0:57.8	A number of these scientists uncover similar findings, a correlation between high cholesterol
1:03.2	and diets high in saturated fats.
1:06.0	With cholesterol linked to heart complications, their hypothesis is that a low fat diet could
1:10.6	benefit those at risk.
1:14.3	Fast forward to the 1980s and things have got rather confused.
1:18.5	Low fat diets were being recommended to everyone, not just those at risk of heart disease.
1:23.7	For instance, doctors and food manufacturers the world over were touting the low fat
1:27.9	diet as the root to better health and weight loss.
1:32.8	Unfortunately, there was little evidence that a low fat diet was helping anyone.
1:37.6	During the same decades that the low fat approach took hold in the developed world, their
1:41.3	populations were putting on weight fast.
	...

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