ZOE Science & Nutrition
The world’s top scientists explain the latest health, nutrition, and gut health research and translate it into practical advice to improve your health & weight. Join ZOE Science & Nutrition, on a journey of scientific discovery. Hosted by Jonathan Wolf.
Episodes
March 13, 2025 • 60 mins
Staying fit isn’t just for athletes - it’s a lifelong commitment that evolves with age. But how do we maintain strength, resilience, and motivation through different life stages?
In this episode, Gabby Reece, legendary volleyball player and fitness leader, shares how she has adapted her training over nearly 40 years. From her peak as a professional athlete to balancing fitness with motherhood and now prioritizing longevity at 54, G...
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March 11, 2025 • 14 mins
Are meat alternatives healthy?
It’s well known that many of us should reduce our red meat intake - and chances are, a lot of you already have. However, the craving for that meaty flavour - the desire to sink your teeth into a nice juicy burger can still linger. It’s no surprise then, that supermarket shelves are now stocked with a growing variety of fake meat products.
However, are these meat alternatives actually any healthier?
S...
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March 6, 2025 • 57 mins
Oatmeal has long been considered a heart-healthy breakfast, but is it really as good for us as we think?
In this episode, Jonathan and Sarah break down the great oat debate. First, they explore the different types of oats - instant, rolled, and steel-cut and how processing impacts their nutritional value. Then, they put oats to the test using continuous glucose monitors (CGMs), comparing instant to steel-cut, with and without topp...
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March 4, 2025 • 14 mins
Today we tackle menstruation.
Despite affecting half the world’s population for a significant part of their lives, menstruation remains clouded by taboo. This lack of open conversation can leave women without the knowledge they need to address pain, discomfort, or irregularities associated with their period.
So, what signs should raise concern when it comes to menstruation, and how can we manage symptoms effectively?
Professor Sara...
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February 27, 2025 • 66 mins
Arthritis affects millions worldwide. 1 in 5 adults in the U.S suffer with it and many people assume it’s an inevitable part of aging. Bu what if you could reduce joint pain and inflammation through diet and lifestyle?
In this episode, Dr. Tamiko Katsumoto, Clinical Associate Professor at Stanford University, unpacks the science behind arthritis. She explains the key differences between osteoarthritis, caused by wear and tear on jo...
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February 25, 2025 • 12 mins
Today we’re diving into coffee.
Most of us are greeted by its earthy aroma every single morning. It’s hot bitter taste signaling that the day has officially begun. Coffee is so ingrained into our daily routine we rarely pause to consider the effect of coffee on our health.
So, what is coffee, a health-boosting elixir or just another guilty pleasure?
Coffee expert James Hoffmann joins us to explore one of the world's most popular d...
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February 20, 2025 • 68 mins
We spend so much time focusing on how exercise changes our bodies - burning calories, building muscle, shedding fat. What if the most important transformation is happening where you can’t see it? Hidden inside your skull, your brain is changing with every step, squat, and sprint.
Neuroscientist Dr. Wendy Suzuki has spent years uncovering how movement rewires the brain. As a professor at NYU and an expert in neuroplasticity, Wendy’s...
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February 18, 2025 • 14 mins
Today we’re talking about intermittent fasting.
This form of time-restricted eating has been gaining significant popularity, with many people reporting positive effects after incorporating it into their daily routines. However, here at ZOE, we want to know what the science says about intermittent fasting.
Is it the real deal? Or just another fad?
I’m joined by Tim Spector and Gin Stephens to break down what intermittent fasting is,...
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February 13, 2025 • 60 mins
Midlife is often seen as a point of no return for health, but it could be the perfect moment to make a radical change. New research suggests that your gut microbiome holds the key to aging well, protecting you from chronic disease, and even reversing some of the damage from years of poor diet and stress.
Few people understand this better than Rich Roll, who went from an overweight, junk-food-addicted workaholic to one of the world...
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February 11, 2025 • 11 mins
Today we’re discussing fat.
It’s a word that carries a lot of weight. It’s a source of social judgment, a driver of insecurities and a tool exploited by companies in targeted marketing campaigns. It’s no surprise that a recent study found over 40% of people in the US have experienced some form of ‘fat-shaming’.
But do we really understand fat? What it does, how it forms and why its distribution changes as we age.
Prof. Sarah Berry ...
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February 6, 2025 • 59 mins
Only 12% of American adults are considered metabolically healthy - meaning the vast majority are at increased risk of heart disease, diabetes, and strokes. But what exactly is metabolism, and why does it matter so much for our health?
In this episode, bestselling author and health expert Shawn Stevenson joins world-renowned scientist Professor Tim Spector to break down the science of metabolism. They’ll debunk the myth of “metaboli...
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February 4, 2025 • 11 mins
Today we’re exploring what evolution can teach us about exercise.
When it comes to doing exercise, there’s often a tug-of-war between our body and brain. Our body craves movement - it wants to be leaner, fitter, stronger. But our brain? Well, that’s a different story. It often dreads the thought of going on a run or lifting weights and will try and find any excuse to avoid doing it.
So, why does this conflict exist, and more import...
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January 30, 2025 • 65 mins
Dementia is one of the fastest-growing health crises in the developed world, with cases expected to double in the coming decades. But despite common misconceptions, cognitive decline isn’t inevitable. The latest research shows that lifestyle choices play a far greater role in brain health than genetics alone.
In this episode, neurologists Drs. Ayesha and Dean Sherzai share practical, science-backed strategies to help you protect yo...
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January 28, 2025 • 12 mins
Today, we’re putting the spotlight on our brains.
As we age certain behaviours often become more noticeable - misplacing keys, struggling to recall names or forgetting why you walked into a room. Most of us have likely seen this happen to someone close to us and may have even seen these patterns develop into more serious conditions like dementia.
But are these behaviours just an inevitable part of getting older? Or is there somethi...
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January 23, 2025 • 58 mins
How old are you? A better question might be: how old do you feel? While your birthday says one thing, your biological age—the health of your cells—might tell a very different story. And here’s the best part: unlike your chronological age, your biological age can go down.
But how? For years, fasting has been celebrated as a key to longevity. Yet the challenge of skipping meals is enough to make most of us shy away. What if you could...
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January 21, 2025 • 15 mins
Today we’re discussing inflammation.
We hear this word a lot from guests on the ZOE podcast. It’s always coming up when we ask questions about health conditions like Alzheimer's, cancer or heart disease.
It’s clearly very important, however many of us still don’t fully understand what inflammation really is.
Professor Phillip Calder is here to break down inflammation and share tips on what we should eat to keep it in check. Philip...
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January 16, 2025 • 63 mins
Think weight loss is all about eating less and moving more? Think again. In this episode, Prof. Giles Yeo reveals why calorie counting isn’t just inaccurate—it could actually make weight management harder. He explains why the popular “calories in, calories out” method doesn’t add up and explores how factors like genetics, brain signals, and gut health play a major role in shaping our weight.
Giles Yeo is a Professor of Molecular Ne...
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January 14, 2025 • 9 mins
A lot of things change as we age. Our dress sense, our taste in music and importantly our body. The truth is your body is not the same as it was 20 or even 10 years ago.
So why should your diet be?
Dr Federica Amati is here to explain why our nutrition needs change as we enter later life and how we can adjust our diet to support this.
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January 9, 2025 • 63 mins
Belly fat is more than just stubborn weight – it plays a complex role in our health, interacting with the immune system and gut bacteria. But could gut microbes hold the key to understanding and managing belly fat?
In this episode, Dr. Suzanne Devkota, Director of the Microbiome Research Institute at Cedars-Sinai, shares groundbreaking findings on how gut bacteria interact with belly fat. Tim Spector, professor of epidemiology and ...
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January 7, 2025 • 11 mins
Many believe that dementia is inevitable, something solely determined by our DNA. But this isn’t the case. In reality, lifestyle choices play the most significant role in determining if we develop this disease.
So, what changes can you make today to reduce your chance of getting dementia tomorrow?
Dr. Claire Steves joins us to share simple steps that will protect your brain for years to come.
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