5 threats to your immune system–and how to fight them | Prof. Daniel Davis MBE

5 threats to your immune system–and how to fight them | Prof. Daniel Davis MBE

Many supplements claim to “boost” your immune system. Now, we all want to avoid getting sick during the winter months, but do any of these products really work? And is trying to “boost” your immune system even a good idea? Jonathan speaks with Professor Daniel M. Davis, MBE — a leading expert on immunology and Head of Life Sciences at Imperial College London. Daniel has published 145 scientific papers, authored four best-selling science books, and spent 25 years researching how our immune system works. He even helped discover the immune synapse, a breakthrough that changed our understanding of immunity. Daniel explains how your immune system really works, why it’s connected to mental health, and how it can even detect cancer cells. He also clears up common myths and shares what genuinely helps keep your immune system strong through the winter months — and what won’t make a difference. By the end of the episode, you’ll know the practical, science-backed steps you can take to reduce your risk of colds and flu this winter without wasting money on products that don’t deliver. Unwrap the truth about your food 👉 ⁠Get the ZOE app 🌱 Try our new plant based wholefood supplement - Daily 30+ *Naturally high in copper which contributes to normal energy yielding metabolism and the normal function of the immune system Follow ZOE on Instagram. Timecodes 00:00 Your body’s surprising, built-in cancer defense 02:07 What is the immune system? 03:55 Why ‘boosting’ your immune system can be dangerous 05:28 Are allergies a sign of an overactive immune system? 07:53 The 'hygiene hypothesis': Does being too clean make us sick? 11:05 The unintended global experiment of the COVID pandemic 12:40 How your immune system is constantly fighting cancer 14:20 The revolutionary new therapies that unleash your immune system on cancer 16:05 Is your immune system killing cancerous cells right now? 17:12 Your immune system is the most unique thing about you 19:25 Why you shouldn't blame yourself for getting sick 21:18 The myth of vitamin C and the Nobel prize winner who started it 23:55 The truth about vitamin C and colds 25:06 Does being cold actually give you a cold? 26:15 The powerful link between your immune health and mental health 28:06 Cytokines: The secret messengers you’re going to hear more about 29:00 Could inflammation predict teenage depression? 33:40 What is inflammation, really? 40:33 The double-edged sword of personal health data 42:06 Are there any immune supplements that actually work? 43:35 The one thing that directly harms your immune health 45:05 Why 'fight or flight' is bad for your immune system 47:08 How much exercise is best for your immune system? 48:16 The two most practical pieces of advice for a healthy immune system 📚Books by our ZOE Scientists The Food For Life Cookbook Every Body Should Know This by Dr Federica Amati Food For Life by Prof. Tim Spector Ferment by Prof. Tim Spector Free resources from ZOE Live Healthier: Top 10 Tips From ZOE Science & Nutrition Gut Guide - For a Healthier Microbiome in Weeks Better Breakfast Guide Have feedback or a topic you'd like us to cover? Let us know here.Episode transcripts are available here.

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Inside Tim Spector’s weekly food shop - 6 grocery rules to lower your blood pressure, cholesterol, and heart disease risk | Prof Tim Spector & Prof Sarah Berry

Inside Tim Spector’s weekly food shop - 6 grocery rules to lower your blood pressure, cholesterol, and heart disease risk | Prof Tim Spector & Prof Sarah Berry

Supermarket shelves are full of foods promising to be healthy: high-protein, low-fat, gluten-free, sugar-free. How do you know what's true? Today, Professors Tim Spector and Sarah Berry, world-leadi...

24 Syys 1h 2min

Most replayed moment: What your wearable is really telling you | Dr Malcolm Finlay

Most replayed moment: What your wearable is really telling you | Dr Malcolm Finlay

From smartwatches to fitness trackers, more of us than ever are monitoring our health in real time. With just a glance at our wrist, we can check our step count, sleep quality, heart rate and, more re...

22 Syys 14min

Is your gut the secret to anti-aging? 6 science-backed ways to boost your bone strength, muscle, and balance | Prof Elaine Dennison

Is your gut the secret to anti-aging? 6 science-backed ways to boost your bone strength, muscle, and balance | Prof Elaine Dennison

Picture the sound of a bone snapping - the kind of sound that makes you wince - and ask yourself how often you’ve thought about your bone health. Most of us only think about bone density when somethi...

17 Syys 55min

Most replayed moment: How to build a better breakfast | Prof. Ben Gardner & Tim Spector

Most replayed moment: How to build a better breakfast | Prof. Ben Gardner & Tim Spector

We’ve all heard the saying: Breakfast is the most important meal of the day. And while it may sound like a cliché, there’s some truth to it. Because for many of us, breakfast is the one meal we keep t...

15 Syys 14min

The science behind food that isn’t food, why you love it and why you should not fear it all | Prof Tim Spector & Prof Sarah Berry

The science behind food that isn’t food, why you love it and why you should not fear it all | Prof Tim Spector & Prof Sarah Berry

Are some of your "healthy" foods actually high-risk ultra-processed foods? For decades, nutrition advice seemed relatively straightforward. Eat less sugar. Less salt. Less saturated fat. Then it all...

10 Syys 1h 13min

Most replayed moment: The hormone that controls your weight | Dr Andrew Jenkinson

Most replayed moment: The hormone that controls your weight | Dr Andrew Jenkinson

Floating through all of our bodies is a complex network of hormones. You can think of it as an internal postal service, delivering vital messages and instructions to different organs and systems. But...

8 Syys 12min

The secret to coping with stress - how to protect your brain and body, and feel calmer now | Prof Carmine Pariante

The secret to coping with stress - how to protect your brain and body, and feel calmer now | Prof Carmine Pariante

Growing up, many of us were taught to just stay calm and carry on - as if stress was all in the mind, with no real effect on the body. But chronic stress can change your brain, raise your risk of hear...

3 Syys 59min

Most replayed moment: The hidden battle inside your gut | Tim Spector & Nicola Segata

Most replayed moment: The hidden battle inside your gut | Tim Spector & Nicola Segata

Today we’re talking about gut microbes. Professor Tim Spector often refers to the microbes in our gut as ‘mini pharmacies’. This is because they provide us with powerful chemicals that help support o...

1 Syys 15min

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