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What effect do artificial sweeteners such as sucralose (Splenda), saccharin (Sweet & Low), aspartame (Nutrasweet) and acesulfame K (Sweet One) have on our gut bacteria? Subscribe to NutritionFacts.org’s free newsletter to receive our B12 infographic that covers the latest research takeaways and Dr. Greger’s updated recommendations: https://nutritionfacts.org/subscribe/ Can’t get enough of artificial sweeteners? Check out • Diet Soda and Preterm Birth (http://nutritionfacts.org/video/diet-soda-and-preterm-birth/) • Aspartame Induced Fibromyalgia (http://nutritionfacts.org/video/aspartame-induced-fibromyalgia/) • Aspartame and the Brain (http://nutritionfacts.org/video/Aspartame-and-the-Brain) Even for nontoxic low calorie sweeteners like erythritol (Erythritol May Be a Sweet Antioxidant http://nutritionfacts.org/video/erythritol-may-be-a-sweet-antioxidant/), there are some caveats. See: • How Diet Soda Can Make Us Gain Weight (http://nutritionfacts.org/video/how-diet-soda-could-make-us-gain-weight/) • Neurobiology of Artificial Sweeteners (http://nutritionfacts.org/video/neurobiology-of-artificial-sweeteners/) • Unsweetening the Diet (http://nutritionfacts.org/video/unsweetening-the-diet/) Who cares if our gut flora gets disrupted? Wait until you see how important the little puppies are: • Microbiome: The Inside Story (http://nutritionfacts.org/video/microbiome-the-inside-story) • Prebiotics: Tending Our Inner Garden (http://nutritionfacts.org/video/prebiotics-tending-our-inner-garden) • What’s Your Gut Microbiome Enterotype? (http://nutritionfacts.org/video/whats-your-gut-microbiome-enterotype) • How to Change Your Enterotype (http://nutritionfacts.org/video/how-to-change-your-enterotype) • Paleopoo: What We Can Learn from Fossilized Feces (http://nutritionfacts.org/video/paleopoo-what-we-can-learn-from-fossilized-feces) Have a question for Dr. Greger about this video? Leave it in the comment section at http://nutritionfacts.org/video/effect-of-sucralose-splenda-on-the-microbiome and he'll try to answer it! Image Credit: Dave Crosby via Flickr. https://NutritionFacts.org • Subscribe: https://nutritionfacts.org/subscribe • Donate: https://nutritionfacts.org/donate • Podcast : https://nutritionfacts.org/audio • Facebook: www.facebook.com/NutritionFacts.org • Twitter: www.twitter.com/nutrition_facts • Instagram: www.instagram.com/nutrition_facts_org • Books (including the NEW How Not to Diet Cookbook): https://nutritionfacts.org/books • Shop: https://drgreger.org

Fiber isn’t the only thing our good gut bacteria can eat; starch can also act as a prebiotic. Subscribe to NutritionFacts.org’s free newsletter to receive our B12 infographic that covers the latest research takeaways and Dr. Greger’s updated recommendations: https://nutritionfacts.org/subscribe/ This is a follow-up to my video Is the Fiber Theory Wrong?(http://nutritionfacts.org/video/is-the-fiber-theory-wrong) What is this butyrate stuff of which I speak? See: • Bowel Wars: Hydrogen Sulfide vs. Butyrate (http://nutritionfacts.org/video/bowel-wars-hydrogen-sulfide-vs-butyrate/) • Prebiotics: Tending Our Inner Garden (http://nutritionfacts.org/video/prebiotics-tending-our-inner-garden) • Treating Ulcerative Colitis with Diet (http://nutritionfacts.org/video/treating-ulcerative-colitis-with-diet) For videos on optimizing your gut flora, see: • Microbiome: The Inside Story (http://nutritionfacts.org/video/microbiome-the-inside-story) • What’s Your Gut Microbiome Enterotype?http://nutritionfacts.org/video/whats-your-gut-microbiome-enterotype • How to Change Your Enterotype (http://nutritionfacts.org/video/how-to-change-your-enterotype/) More on preventing colon cancer in: • Starving Cancer with Methionine Restriction (http://nutritionfacts.org/video/starving-cancer-with-methionine-restriction/) • Stool pH and Colon Cancer (http://nutritionfacts.org/video/stool-ph-and-colon-cancer/) • Solving a Colon Cancer Mystery (http://nutritionfacts.org/video/solving-a-colon-cancer-mystery/) If you’re eating healthy do you need a colonoscopy? Find out in Should We All Get Colonoscopies Starting at Age 50? (http://nutritionfacts.org/video/should-we-all-get-colonoscopies-starting-at-age-50). When regular starches are cooked and then cooled, some of the starch recrystallizes into resistant starch. For this reason, pasta salad can be healthier than hot pasta and potato salad healthier than a baked potato. Find out more in my next video Getting Starch to Take the Path of Most Resistance (http://nutritionfacts.org/video/Getting-starch-to-take-the-path-of-most-resistance). Have a question about this video? Leave it in the comment section at http://nutritionfacts.org/video/resistant-starch-and-colon-cancer/ and someone on the NutritionFacts.org team will try to answer it. Want to get a list of links to all the scientific sources used in this video? Click on Sources Cited at http://nutritionfacts.org/video/resistant-starch-and-colon-cancer/. You’ll also find a transcript of the video, my blog and speaking tour schedule, and an easy way to search (by translated language even) through our videos spanning more than 2,000 health topics. If you’d rather watch these videos on YouTube, subscribe to my YouTube Channel here: https://www.youtube.com/subscription_center?add_user=nutritionfactsorg Thanks for watching. I hope you’ll join in the evidence-based nutrition revolution! -Michael Greger, MD FACLM Image Credit: Ed Uthman via flickr. https://NutritionFacts.org • Subscribe: https://nutritionfacts.org/subscribe • Donate: https://nutritionfacts.org/donate • Podcast : https://nutritionfacts.org/audio • Facebook: www.facebook.com/NutritionFacts.org • Twitter: www.twitter.com/nutrition_facts • Instagram: www.instagram.com/nutrition_facts_org • Books (including the NEW How Not to Diet Cookbook): https://nutritionfacts.org/books • Shop: https://drgreger.org #coloncancer #hownottodie #drgreger

(2016). Resistant starch reduces colonic and urinary p-cresol in rats fed a tyrosine-supplemented diet, whereas konjac mannan does not. Bioscience, Biotechnology, and Biochemistry: Vol. 80, No. 10, pp. 1995-2000.

OMICS: A Journal of Integrative Biology

Background Mortality from chronic liver disease is rising exponentially. The liver is intimately linked to the gut via the portal vein, and exposure to gut microbiota and their metabolites transloca...

The human intestinal microbiome is thought to influence tumor development and progression in the gastrointestinal tract by various mechanisms. Therefore, by better understanding the microbiome in eso...

The nutraceutical properties of Aloe vera have been attributed to a glucomannan known as acemannan. Recently information has been published about the presence of fructans in Aloe vera but there are no publications about acemannan and fructans as prebiotic compounds. This study investigated in vitro the prebiotic properties of these polysaccharides. Our results demonstrated that fructans from Aloe vera induced bacterial growth better than inulin (commercial FOS). Acemannan stimulated bacterial growth less than fructans, and as much as commercial FOS. Using qPCR to study the bacterial population of human feces fermented in a bioreactor simulating colon conditions, we found that fructans induce an increase in the population of Bifidobacterium spp. Fructans produced greater amounts of short chain fatty acids (SCFA), while the branched-chain fatty acids (BCFA) did not increase with these polysaccharides. Acemannan increased significantly acetate concentrations. Therefore, both Aloe vera polysaccharides have prebiotic potentials.

Abstract. Multiple environmental factors induce dysbiosis in the gut microbiome and cause a variety of human diseases. Previously, we have first demonstrated th

Reported values in the literature on the number of cells in the body differ by orders of magnitude and are very seldom supported by any measurements or calculations. Here, we integrate the most up-to-date information on the number of human and bacterial ...

The incidence of diabetes mellitus is rapidly increasing throughout the world. Although the exact cause of the disease is not fully clear, perhaps, genetics, ethnic origin, obesity, age, and lifestyle are considered as few of many contributory factors for the disease pathogenesis. In recent years, the disease progression is particularly linked with functional and taxonomic alterations in the gastrointestinal tract microbiome. A change in microbial diversity, referred as microbial dysbiosis, alters the gut fermentation profile and intestinal wall integrity and causes metabolic endotoxemia, low-grade inflammation, autoimmunity, and other affiliated metabolic disorders. This article aims to summarize the role of the gut microbiome in the pathogenesis of diabetes. Additionally, we summarize gut microbial dysbiosis in preclinical and clinical diabetes cases reported in literature in the recent years.

Chinese Medical Journal, a publication of Chinese Medical Association, is a peer-reviewed online journal with semi-monthly print on demand compilation of issues published. The journal's full text is available online at http://www.cmj.org. The journal allows free access (Open Access) to its contents and permits authors to self-archive final accepted version of the articles on any OAI-compliant institutional / subject-based repository.

Now the more interesting question: if one begins a new exercise regimen, would s/he see a change, or improvement, in the diversity of bacteria in the gut.

How can we lower our risk of dementia, dissolve brain fog, and maximize our mental capacity?

Could Monsanto's glyphosate-based herbicide Roundup be leading to the overgrowth of deadly bacteria in animals and humans consuming genetically-modified food contaminated with it?

Scientists show how a specific strain of microbes helps control glucose homeostasis in mice. In the future, this could mean more targeted and powerful probiotics in humans.

The report describes two individuals who suffered from significant hair loss related to alopecia who were treated for a gastrointestinal disorder, C. Diff.

Introduction Changes in the intestinal bacterial composition seem to play a major role in the pathogenesis and in the clinical course of inflammatory bowel diseases (IBD), which consist of Crohn’s disease (CD), and ulcerative colitis (UC). Mutations in the NOD2 gene are the most important genetic risk factors for the development of CD. In this study, the association between mucosal biopsies and the mucosa-associated bacterial composition from CD and UC patients regarding their genetic risk factors (mutations in the NOD2 gene), their endoscopic activity, and their medical therapy (TNF-α blocking therapy) was examined. Material and methods Seventy biopsies from routine colonoscopies from 33 IBD patients (26 CD and 7 UC) were obtained. Disease activity and clinical characteristics were assessed. Seven different bacterial strains (Bacteroides fragilis, Escherichia coli, Prevotella melaninogenica, Clostridium coccoides, Clostridium difficile, Bifidobacterium bifidum, and Faecalibacterium prausnitzii) were quantified using real-time PCR. NOD2 genotyping from patients with CD was performed. Results Five of the 24 patients were positive for at least one mutation in the NOD2 gene. The bacterial composition was different in CD compared to UC, in macroscopic healthy compared to macroscopic inflamed biopsies, in NOD2 mutated compared to NOD2 wildtype patients, and in patients receiving TNF-α blocking therapy compared to patients without this treatment. Conclusion This study further characterizes the mucosa-associated bacteria in IBD patients. Different clinical situations lead to an altered mucosa-associated bacterial composition. The analyzed bacteria could be promising targets for cost-effective surveillance or therapies in IBD patients.

The consumption of dietary supplements and cold therapies containing high concentrations of zinc is now being called into question, following research that suggests it may worsen Clostridium difficile infection.

A researcher ends the debate among physicians regarding sepsis management.

UCLA researchers gained insight into the connections among childhood trauma, brain development and the composition of the gut microbiome.

Sunlight, through a mechanism separate than vitamin D production, energizes T cells that play a central role in human immunity, researchers have found. The findings suggest how the skin, the body’s largest organ, stays alert to the many microbes that can nest there.

Researchers have discovered that the devastating bacterial superbug Clostridioides difficile hijacks the human wound healing system in order to cause serious and persistent disease, opening up the development of new therapies to treat the disease.

Smoking drastically alters the oral microbiome, the mix of roughly 600 bacterial species that live in people's mouths, a new study has found. The researchers say their analysis is the most comprehensive to date to examine the effects of smoking on the make-up and action of bacterial species in the human mouth based on precise genetic testing.