NEW gut science: 3 bacteria that keep your heart healthy | Prof. Tim Spector & Prof. Nicola Segata

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There’s an unseen world within you, teeming with trillions of tiny inhabitants. Your gut microbiome contains millions of bugs. Some bugs are beneficial, while others wreak havoc, quietly disrupting your health. What if these disruptive "invasive species" are silently driving the rise of cardiometabolic diseases, the leading cause of illness in Western countries?

This episode reveals groundbreaking new ZOE research, soon to be published in Nature, that maps this hidden world. We’re joined by Professor Nicola Segata, the study’s co-author and a pioneer of this new technology, alongside ZOE's scientific Co-Founder, Professor Tim Spector, one of the world's top 100 most-cited scientists.

Together, they reveal the top-ranked gut bacteria – both good and bad – that influence your health. Discover three powerful "good bugs" and how feeding them can suppress the "bad," transforming your gut ecosystem and paving the way for better health and potential therapeutic breakthroughs. Learn actionable tips for boosting your beneficial bacteria, starving the detrimental ones, and why gut testing is forever changed.

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Timecodes
00:00 Introduction
01:05 The most common misconception about gut health
04:04 Your gut bacteria are like mini pharmacists
08:12 Why your gut microbes are as unique as your DNA
14:23 How ZOE is revolutionising health with a new research model
19:39 Groundbreaking research that featured in Nature
22:21 The new, simpler way to measure your gut health
24:25 Meet newly discovered good bugs
28:06 The microbe that thrives when you eat nuts and seeds
32:40 Why only eating kale won't make you healthy
34:25 The 'ancient' gut bug discovered in mummies (and one of our scientists!)
36:37 The future of probiotics
39:17 The shocking truth about store-bought probiotics
42:17 What makes a 'bad' bug bad for your health?
43:45 Could your gut microbes be making you crave junk food?
46:29 The diet your bad bugs love the most
49:10 The future of personalised nutrition for your gut
52:22 How to 'pivot your ' to feed your good bugs
53:55 Is it okay to eat occasionally?
55:53 Tim Spector's simple 'fridge raid ferment'

📚Books by our ZOE Scientists
The Food For Life Cookbook | https://amzn.to/4amfIMX
Every Body Should Know This by Dr Federica Amati | https://amzn.to/4blJsLg
Food For Life by Prof. Tim Spector | https://amzn.to/4amZinu
Ferment by Prof. Tim Spector | https://amzn.to/4hU1Df5

Free resources from ZOE:
Live Healthier: Top 10 Tips From ZOE Science & Nutrition | https://zoe.com/freeguide?utm_medium=podcast&utm_source=podcast&utm_campaign=freeguide
Gut Guide - For a Healthier Microbiome in Weeks | https://zoe.com/gutguide?utm_medium=podcast&utm_source=podcast&utm_campaign=gutguide
Better Breakfast Guide | https://zoe.com/breakfastguide?utm_medium=podcast&utm_source=podcast&utm_campaign=breakfastguide

Mentioned in today's episode

Gut microbiome species indicative of cardiometabolic health are modulated by diet in large and interventional cohorts of over 34,000 individuals, forthcoming in Nature, (2025)
Gut microbiome species indicative of cardiometabolic health are modulated by diet in large and interventional cohorts of over 34,000 individuals, Published in Nature Microbiology (2025) https://www.nature.com/articles/s41564-024-01870-z
[3] Research progress of gut microbiota and obesity caused by high-fat diet, Published in Fronteirs in Cellular and Infection Microbiology (2023) https://www.frontiersin.org/journals/cellular-and-infection-microbiology/articles/10.3389/fcimb.2023.1139800/full

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Episode transcripts are available here: https://zoe.com/learn/category/podcasts