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
April 24, 2025 • 63 mins
IBS affects over 300 million people globally, yet remains one of the most misunderstood gut conditions. In this episode, we explore the latest science uncovering the real drivers behind IBS - and why your gut microbiome may hold the key to understanding it.
Joining us is Dr. Will Bulsiewicz, a board-certified gastroenterologist and ZOE’s U.S. Medical Director. Dr. Will breaks down why IBS is so difficult to diagnose, how stress an...
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April 22, 2025 • 13 mins
Today we’re talking about the relationship between cancer treatment and exercise.
For years, the standard advice for someone going through cancer treatment has been simple: just rest. The belief has long been that the body has to slow down and conserve energy to cope with the intensity of the treatment.
However, recent research is challenging this long held notion. What if your body doesn’t need to slow down - what if it actually...
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April 17, 2025 • 64 mins
Spring is the perfect time to shake up your routine. In this episode, Professor Tim Spector and Dr. Federica Amati reveal seven delicious, science-backed foods that help cool the flame of chronic inflammation. Whether you're dealing with bloating, aching joints, or low energy, this episode is packed with easy, gut-friendly tips to help you feel your best this season.
Tim and Federica begin by explaining what inflammation really is...
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April 10, 2025 • 54 mins
Is matcha the ultimate coffee alternative, or just another wellness fad? In this episode, Andrew Kojima - aka Chef Koj - an expert in Japanese cuisine, and Professor Tim Spector, a world-leading scientist in nutrition and gut health, explore whether matcha is truly a healthier choice than coffee.
Chef Koj explains the rich history behind matcha, its role in Japanese culture, and why it has become a global wellness trend. Tim brea...
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April 3, 2025 • 72 mins
Strength training is often associated with bodybuilding, but its benefits go far beyond muscle growth. Research shows that strength training supports cardiovascular health, enhances brain function, and is a strong predictor of longevity. In this episode, Professor Andy Galpin joins us to break down the science behind strength training and show how anyone can incorporate it into their daily routine—without spending hours in the gym....
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April 1, 2025 • 16 mins
Last year, a study found that a third of Americans aged between 50 and 80 feel lonely. I’m sure most of us can relate to this feeling, and understand how a lack of social connection can take a serious toll on our mental health.
But, is loneliness affecting more than just our minds? Does it also impact our physical health and how well we age?
In this episode, Professor Rose Anne Kenny joined me to answer these questions and discover...
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March 27, 2025 • 67 mins
Carbs are one of the most misunderstood aspects of nutrition. For decades, they’ve been praised, demonized, and debated. Today, low-carb diets are everywhere, but the reality is more nuanced. While over 80% of the carbs we eat come from low-quality, refined sources, the right kinds of carbs are essential for good health.
In this episode, Professor Tim Spector breaks down the difference between good and bad carbs and explains why q...
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March 25, 2025 • 13 mins
In 2025, global spending on skincare products is expected to approach 200 billion dollars. It’s an astonishing figure, but not entirely surprising when you consider the social value we place on this organ.
Our skin can reflect our age, health, and even our emotions. So, how can we make smarter choices this year and invest in products that truly support our skin?
In this episode, I was joined by Sarah Berry alongside my wife, derma...
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March 20, 2025 • 66 mins
Could optimizing your sleep significantly extend your lifespan?
In this episode, we dive deep into the science of longevity with Bryan Johnson, the entrepreneur spending millions to reverse aging, and Professor Tim Spector, one of the world’s top 100 most-cited scientists and an expert in nutrition and the microbiome.
Bryan has dedicated his life—and his body—to testing cutting-edge health interventions to slow down aging. His me...
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March 18, 2025 • 14 mins
Today we’re considering mindfulness.
Improving your health often comes with certain sacrifices. You might need to sacrifice time to exercise or money for specialised equipment and food. But mindfulness is different. It doesn’t demand our time or cost money. Instead, it suggests we can enhance our health simply by changing the way we think.
So, is it really possible to think our way to better health? And if so, where do we begin?
In...
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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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