Podcast Summary: Moment 195 – 10 Things Your STOOL Says About Your Health: The No.1 Poo & Gut Scientist

The Diary Of A CEO with Steven Bartlett
Episode Title: Moment 195: 10 Things Your STOOL Says About Your Health: The No.1 Poo & Gut Scientist
Release Date: January 10, 2025
Host: Steven Bartlett (DOAC)
Guest: [Guest Name Not Provided] – Gastroenterologist and US Medical Director of Zoe

Introduction to Stool Health

[00:03] A: "I read in your book that 60% of poop is bacteria."
[00:07] B: "Yeah."
[00:09] B: "I think this is an important conversation to have because we have stigmatized poop. We're not allowed to look in the bowl. We should be looking in the bowl."

Steven Bartlett opens the discussion by highlighting the significant bacterial composition of stool, emphasizing the importance of destigmatizing discussions around bowel movements to better understand overall health.

The Importance of Stool Analysis

[00:09] B: "If I were a cardiologist, I would check your pulse... I'm a gastroenterologist. If I want to know what's going on with your body, I need to know how you're pooping."

B, the gastroenterologist guest, draws a parallel between vital signs like pulse and heart rate to bowel movements, underscoring stool analysis as a crucial indicator of gastrointestinal and overall health.

Understanding the Bristol Stool Scale

[01:09] B: "There was a study done in the 90s... leading to the creation of a chart called the Bristol Stool Scale."
[03:35] B: "This is a Bristol 4. The Bristol 4 is the classic where I come walking out of the bathroom in slow motion and rock music is jamming and doves are flying in slow motion. And I just am such a stud."
[05:10] B: "Bristol 1 and 2 are forms of constipation... Bristol 6 could be like a cow pie... Bristol 7 finally, is straight liquid."

B introduces the Bristol Stool Scale (BSS), a medical tool categorizing stool types from 1 to 7 based on shape and consistency. He humorously describes a Bristol 4 stool as the ideal form and explains how deviations towards types 1 and 2 indicate constipation, while types 6 and 7 suggest diarrhea.

Key Points:

• Bristol 4: Optimal stool, smooth and well-formed.
• Bristol 1-2: Indicate constipation; hard and difficult-to-pass stools.
• Bristol 5: Soft stools but start to break into blobs.
• Bristol 6-7: Signify diarrhea; very loose or liquid stools.

Stool Color and Health Indicators

[10:06] B: "Why is our poop brown? The answer has to do with bile... a person would have a white poop if there's a blockage that stops bile from mixing with their intestines."
[11:22] B: "Red stool can be indicative of colon cancer... It's important to get checked."
[14:41] B: "There's a powerful association between fiber consumption and protecting ourselves from colorectal cancer."

B delves into the significance of stool color as an indicator of specific health conditions:

• Brown: Normal color due to bile from the liver.
• White: Potential bile blockage.
• Yellow: Possible fat malabsorption issues, such as chronic pancreatitis.
• Green: Can result from infectious causes like giardia or high consumption of green smoothies.
• Red: May indicate bleeding in the lower gastrointestinal tract, such as hemorrhoids or colon cancer.
• Black: Could signify internal bleeding higher up in the GI tract or be a side effect of medications like Pepto Bismol.

He emphasizes the importance of seeking medical advice if abnormal stool colors are observed, especially red or black stools, due to their association with serious conditions like colon cancer.

Gut Transit Time and Its Implications

[08:31] A: "And the gut transit time, how does that relate to these different types of poop?"
[08:51] B: "A slow gut transit time, more than 58 hours, is likely to result in Bristol 1 or 2..."
[09:21] B: "When water moves through the intestines... the more time that something spends inside the colon, the more it's going to pull the water out."

The conversation covers how the speed at which food moves through the digestive system (gut transit time) affects stool type:

• Slow Transit Time (>58 hours): Leads to hard, dry stools (Bristol 1-2).
• Fast Transit Time (<12 hours): Results in loose or liquid stools (Bristol 6-7).

B explains that water absorption in the colon is a key factor influencing stool consistency, with longer transit times leading to drier stools and shorter times resulting in wetter stools.

Diet’s Role in Stool Health and Gut Microbiome

[07:00] B: "We found associations between fiber intake and plant-based food intake and having a number four."
[08:31] B: "People consuming more legumes, whole grains, fruits, and vegetables tend to have Bristol 4 stools."
[14:34] B: "Fiber consumption is strongly associated with reducing the risk of colorectal cancer."

Diet plays a pivotal role in determining stool type and overall gut health:

• High Fiber Diets: Promote optimal stool type (Bristol 4) and support a healthy microbiome by increasing short-chain fatty acid production, which lubricates stool.
• Low Fiber Diets: Associated with extreme stool types (Bristol 1 or 7), indicating constipation or diarrhea.
• High Fat Diets: Tend to correlate with constipation due to higher animal product consumption.

B emphasizes the protective effects of dietary fiber against colorectal cancer, highlighting studies that show increased fiber intake significantly reduces cancer risk.

The Gut Microbiome and Health Correlations

[02:07] B: "As the US Medical Director of Zoe... we've done the blue poo study... the Big Poo Review with 142,000 participants."
[06:18] B: "The Bristol types give insights into your gut microbiome and what's happening there."

B discusses extensive research conducted by Zoe, including large-scale studies like the Big Poo Review, which surveyed 142,000 individuals to understand bowel movement patterns and their correlation with gut microbiome health. The findings illustrate how stool type serves as a non-invasive window into the microbiome's state and overall digestive health.

Health Conditions Identified Through Stool Analysis

[10:02] B: "A yellow poop could indicate pancreas issues like chronic pancreatitis."
[11:22] B: "Red stool can signal colon cancer or hemorrhoids."
[17:07] A: "Quick one want to say a few words from our sponsor..." (Transition to advertisement, content skipped)

B elaborates on how specific stool characteristics can signal underlying health issues:

• Red Stool: Could indicate rectal bleeding from conditions like hemorrhoids, anal fissures, polyps, or colon cancer.
• Black Stool: May denote internal bleeding in the upper GI tract or be caused by certain medications.
• Yellow Stool: Suggests fat malabsorption, potentially pointing to pancreatic insufficiency or chronic pancreatitis.
• Green Stool: May result from infections like giardia or excessive consumption of green foods.

Microbiome and Cancer Risk

[14:34] B: "There's a powerful association between fiber consumption and protecting ourselves from colorectal cancer... for every 5 grams of fiber that we increase in our diet, we are getting a significant reduction in our risk."

B highlights the critical relationship between dietary fiber intake and reduced colorectal cancer risk. Enhanced fiber consumption not only supports optimal stool form but also fosters a healthy microbiome, which plays a role in cancer prevention.

Practical Insights and Recommendations

[07:00] B: "People consuming more legumes, whole grains, fruits, and vegetables tend to have Bristol 4 stools."

To achieve optimal stool health and support the microbiome, B recommends:

• Increase Fiber Intake: Incorporate more plant-based foods like legumes, whole grains, fruits, and vegetables.
• Stay Hydrated: Adequate water intake aids in maintaining stool softness and facilitates regular bowel movements.
• Regular Exercise: Physical activity promotes healthy digestion and regular transit times.
• Monitor Stool Characteristics: Pay attention to stool type, color, and consistency as indicators of gut health and potential underlying conditions.

Conclusion

The episode underscores the critical role stool plays as an indicator of digestive health and overall well-being. By understanding the Bristol Stool Scale, recognizing abnormal stool colors, and acknowledging the impact of diet and gut transit time, individuals can gain valuable insights into their health. Regular monitoring and maintaining a fiber-rich, balanced diet are essential strategies for fostering a healthy microbiome and reducing the risk of serious conditions like colorectal cancer.

Notable Quotes:

• B: "We're not allowed to look in the bowl. We should be looking in the bowl." [00:09]
• B: "If you see blood in your stool, that's not normal. That's grounds to talk to a doctor." [11:35]
• B: "For every 5 grams of fiber that we increase in our diet, we are getting a significant reduction in our risk [of colorectal cancer]." [14:34]

Additional Resources

• Steven Bartlett’s New Book: Link
• Instagram: @steven
• LinkedIn: Steven Bartlett

Note: This summary is based on the provided transcript excerpts up to 17:07 and excludes advertisement sections as per the request.