logo
episode-header-image
Aug 22
8m 9s

The 4 Gut Bacteria That Help You Live Pa...

Lewis Howes
About this episode

My life-changing annual event, The Summit of Greatness, is happening September 12 & 13, 2025. Get your ticket today!

Check out the full episode: greatness.lnk.to/1811

"There are 722,000 people who are centenarians living in the world... almost three quarters of a million people that are a hundred. That's a lot more than most people suspect." - Dr. William Li

Dr. William Li's great uncle didn't just live to 104 - he planned his own 100th birthday party, created the guest list, and hosted the entire celebration himself. This wasn't some frail centenarian barely holding on; this was a man who embodied what Dr. Li has spent years researching: the biological secrets of those who don't just survive to 100, but thrive there. When scientists started studying the gut bacteria of supercentenarians (people living to 114 and beyond), they discovered something extraordinary - four specific bacteria that spike dramatically in those who reach these remarkable ages: Odoribacter, Christensenella, and most fascinating of all, Akkermansia - the same bacteria that might help stage four cancer patients achieve complete remission through immunotherapy.

What makes Dr. Li's revelations so powerful isn't just the science - it's how accessible these insights are. Your gut bacteria aren't set in stone; they're a living ecosystem you can influence through the foods you eat and the choices you make daily. When he explains that 70% of your immune system lives in your gut wall, communicating with your bacteria "like college students shouting at each other through a cheap wall in a dorm room," you suddenly understand why what happens in your gut determines not just how long you live, but how vibrantly you live. This conversation bridges the gap between cutting-edge longevity research and practical wisdom you can apply to your life starting today.

Sign up for the Greatness newsletter: http://www.greatness.com/newsletter

Up next
Yesterday
How To Turn Sleep Into Your Most Powerful Money Habit | Lewis Howes
Leave an Amazon Rating or Review for my New York Times Bestselling book, Make Money Easy!Check out the full episode: https://greatness.lnk.to/1831Lewis used to wear exhaustion like a badge of honor. He'd grind into the night, believing rest was for the weak and that success deman ... Show More
6m 6s
Oct 7
MANIFEST Unimaginable WEALTH and SUCCESS Into Your Life | Ken Honda
Leave an Amazon Rating or Review for my New York Times Bestselling book, Make Money Easy!Check out the full episode: https://greatness.lnk.to/1241Ken Honda dives into the concept of "happy money" - the idea that money can bring joy and happiness when used in alignment with one's ... Show More
5m 55s
Oct 6
How To Eliminate Daily Stress By Mastering This One Framework | Andrew Huberman
Leave an Amazon Rating or Review for my New York Times Bestselling book, Make Money Easy!Check out the full episode: https://greatness.lnk.to/1830"I can't tell you why prayer works, and I kinda love that. I can't tell you why. Like for once it's a short sentence. I don't know why ... Show More
6m 6s
Recommended Episodes
Mar 2025
How To Prevent & REVERSE Disease With THESE FOODS To Live Longer | Dr. William Li
I'm going on tour! Come see The School of Greatness LIVE in person!Get my new book Make Money Easy here!What if the secret to living well past 100 lies within your gut? In this eye-opening conversation, renowned physician and researcher Dr. William Li reveals groundbreaking disco ... Show More
1h 20m
Aug 15
The 5-Step System That Will Reset Your Body & Help You Live Longer
My life-changing annual event, The Summit of Greatness, is happening September 12 & 13, 2025. Get your ticket today!Dr. William Li blows my mind with what he discovered about people living past 100. They have four specific gut bacteria that most of us are missing. Here's what hit ... Show More
1h 20m
Mar 2025
E137 - Dr. Will Bulsiewicz: “Your Gut is Wiser Than Your Mind!” - Science of Intuition, Mood & Microbiome
Leading gastroenterologist, Dr. Will Bulsiewicz, delves into the fascinating world of the microbiome and its profound impact on our health. He discusses the gut-brain connection, and reveals how our intuition and gut feelings are intertwined with it. He shares insights into the b ... Show More
2h 6m
Oct 2024
Is Radical Human Life Extension Possible?
In 1900, the average US life expectancy was 47 years old. That's the current age of Tom Brady, Ryan Reynolds, and Shakira. But extraordinary advances in medicine and public health have surged lifespans in the US and throughout the world. The average American currently lives to ab ... Show More
55m 46s
May 2025
Advice From the #1 Longevity Doctor: Add 10 Years to Your Life With 3 Simple Habits
Today’s episode could change (or save) your life. It’s a must-listen. You’ll hear from the world’s leading longevity doctor about the simple, proven changes that will help you live longer, feel better, and prevent diseases like cancer, heart disease, and dementia. Today, Mel sits ... Show More
1h 7m
Jan 2025
New year, new diet, live forever?
It’s that time of year again. If you’re changing things up, there’s a lot of diets out there that claim to help you live longer. Our friends at Today, Explained ask: How much of this is real and how much of it is nonsense?Guests: Anahad O’Connor, health columnist at the Washingto ... Show More
27m 48s
Sep 29
This One Research Study Will Change How You Think About Your Entire Life
What if the world became a better place by becoming better, more authentic versions of ourselves?Despite what the headlines and social media might suggest, we’re not as divided as we think. Most people want the same core things: to be a good person, to live with integrity and aut ... Show More
1h 30m
Sep 15
#1 Longevity Doctor: 7 Toxic Products Destroying Your Health
What if the products you use every day, the air you breathe, and the food you eat is making you sick? Today, Mel speaks with Dr. Eric Topol, MD, one of the most cited scientists and researchers in the world, about the hidden toxins in your environment that are silently hijacking ... Show More
49m 16s
Feb 2025
The Microbe That Changes EVERYTHING
The most important microbe can amplify the immune system, increase your muscle mass, and even help you live longer, but most people are missing it! Listen to this fascinating interview with Dr. William Davis as we discuss this missing microbe. Please join me in welcoming Dr. Will ... Show More
31m 53s
Sep 23
203. Barbara O’Neill: On Longevity, Gut Microbiome, Immune System, and Anti-Aging Basics
Join my FREE 3-Day Water Fast Challenge - October 15th. It's the exact protocol I use with pro athletes and Fortune 500 CEOs to flush inflammation and kickstart autophagy. Sign up here! http://bit.ly/4nTILPt Your immune system is either your greatest biological asset or your weak ... Show More
1h 25m