Prof Sarah Berry

speaker

966 appearances 5 recordings 1 series first heard Jun 2026 last heard 4d ago

Prof Sarah Berry’s voice in public audio — every appearance, attributed to the second.

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recordings per month · last 12 months

Recordings per month over the last 12 months — 5 in all, peaking in Sep 2026 with 2.

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ZOE Science & Nutrition · How to reduce your heart disease, dementia and cancer risk with 12 everyday high-fibre foods | Hugh Fearnley-Whittingstall & Prof Sarah Berry · 30 Jul 2026 podcast

And we know that if you have a higher intake of fiber, it reduces your risk of cardiovascular disease, of strokes, of heart attacks, of certain cancers.

And we're now starting to understand there's even evidence emerging around many other diseases, such as Alzheimer's, for example, and other cancers.

And this is because partly the role it plays in terms of microbiome,

We know that what we call soluble or fermentable fibers.

So these are fibers that pass through our gut, enter our large intestine, and then provide this wonderful food for our gut bugs.

We know that these then can be eaten in simple terms by our microbes.

They use them for wonderful fuels.

So they're all happy having their party, which is great.

We know we love it, Zoe, a healthy gut microbiome.

But they also produce byproducts.

These byproducts are called short-chain fatty acids.

And these short-chain fatty acids have lots and lots of diverse roles in our body from impacting inflammation.

So, for example, reducing inflammation to impacting our hunger signals.

We know that inflammation is at the heart of many chronic diseases.

And so fiber plays a really important role in feeding the gut microbiome and creating all of these amazing chemicals.

But it also does other things as well.

So as well as the soluble fiber that reaches our gut and provides the food for our microbes, we also have insoluble fiber.

And insoluble fiber is the kind of fiber that you might actually notice more when you're eating food.

And I think as well as the role that it plays in the microbiome, which is really, really important, I think it's important to recognize the other roles that fiber plays.

So we've got these two kinds of fibers, the soluble and insoluble, and they act in slightly different ways.

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