All Boards >> Irritable Bowel Syndrome Research Library

HeatherAdministrator

Reged: 12/09/02
Posts: 7687
Loc: Seattle, WA
Chowing Down On Meat, Dairy Alters Gut Bacteria A Lot
12/11/13 02:20 PM

NPR

Chowing Down On Meat, Dairy Alters Gut Bacteria A Lot, And Quickly

by Michaeleen Doucleff
December 11, 2013 1:34 PM


Looks like Harvard University scientists have given us another reason to walk past the cheese platter at holiday parties and reach for the carrot sticks instead: Your gut bacteria will thank you.

Switching to a diet packed with meat and cheese and very few carbohydrates alters the trillions of microbes living in the gut, scientists Wednesday in the journal Nature.

The change happens quickly. Within two days, the types of microbes thriving in the gut shuffle around. And there are signs that some of these shifts might not be so good for your gut: One type of bacterium that flourishes under the meat-rich diet has been linked to inflammation and intestinal diseases in mice.

"I mean, I love meat," says microbiologist , who contributed to the study and is now at Duke University.

"But I will say that I definitely feel a lot more guilty ordering a hamburger ... since doing this work," he says.
While no one's sure which foods are good for our microbiomes, eating more veggies can't hurt.
Dreaming of slimming gut microbes?
Benjamin Arthur for NPR

Scientists are just beginning to learn about how our decisions at the dinner table or the drive-through tweak our microbiome, that is, the communities of bacteria living in our bodies. But one thing is becoming clear: The critters hanging out in our intestine influence many aspects of our health, including weight, immunity and perhaps even .

And interest in studying the links between is growing. Previous research in this field had turned up tantalizing evidence that eating fiber can alter the composition of gut bacteria. But these studies had looked at diets over long periods of times months and even years. David and his colleagues wanted to know whether fiber or lack of it could alter gut bacteria more rapidly.

To figure that out, the researchers got nine volunteers to go on two extreme diets for five days each.

The first diet was all about meat and cheese. "Breakfast was eggs and bacon," David says. "Lunch was ribs and briskets, and then for dinner, it was salami and prosciutto with an assortment of cheeses. The volunteers had pork rinds for snacks."

Then, after a break, the nine volunteers began a second, fiber-rich diet at the other end of the spectrum: It all came from plants. "Breakfast was granola cereal," David says. "For lunch, it was jasmine rice, cooked onions, tomatoes, squash, garlic, peas and lentils." Dinner looked similar, and the volunteers could snack on bananas and mangoes.

"The animal-based diet is admittedly a little extreme," he says. "But the plant-based diet is one you might find in a developing country."

David and the team analyzed the volunteers' microbiomes before, during and after each diet. And the effects of all that meat and cheese were immediately apparent.

"The relative abundance of various bacteria species looked like it shifted within a day after the food hit the gut," David says. After the volunteers had spent about three days on each diet, the bacteria in the gut even started to change their behavior. "The kind of genes turned on in the microbes changed in both diets," he says.

In particular, microbes that "love bile" the Bilophila started to dominate the volunteers' guts during the animal-based diet. Bile helps the stomach digest fats. So people make more bile when their diet is rich in meat and dairy fats.

A study last year that blooms of Bilophila cause inflammation and colitis in mice. "But we didn't measure levels of inflammation in our subjects," David says. "That's the next step."

Instead, he says, his team's data support the overall animal model that Bilophila promotes inflammation, which could ultimately be controlled by diet.

"Our study is a proof of concept that you can modify the microbiome through diet," David says. "But we're still a long ways off from being able to manipulate the community in any kind of way that an engineer would be pleased about."

Even just classifying Bilophila as "bad bacteria" is a tricky matter, says Dr. , a gastroenterologist at the Mayo Clinic in Minnesota.

"These bacteria are members of a community that have lived in harmony with us for thousands of years," says Kashyab, who wasn't involved in the study. "You can't just pick out one member of this whole team and say it's bad. Most bacteria in the gut are here for our benefit, but given the right environment, they can turn on us and cause disease."

Nevertheless, Kashyab thinks the Nature study is exciting because the findings unlock a potentially new avenue for treating intestinal diseases. "We want to look at diet as a way of treating patients," Kashyab says. "This study shows that short-term dietary interventions can change microbial composition and function."

Of course, figuring out exactly how to do that will take much more research.

"The paper has made the next leap in the field," Kashyab says. "With discovery comes responsibility. Once you make this big finding, it needs to be tested appropriately."

http://www.npr.org/blogs/thesalt/2013/12/10/250007042/chowing-down-on-meat-and-dairy-alters-gut-bacteria-a-lot-and-quickly

--------------------
Heather is the Administrator of the IBS Message Boards. Shes the author of Eating for IBS and The First Year: IBS, and the CEO of Heather's Tummy Care. Join her IBS Newsletter. Meet Heather on Facebook!

Post Extras Print Post Remind Me! Notify Moderator

Entire thread
Subject Posted by Posted on
* Diet HeatherAdministrator 07/14/03 01:58 PM
. * Insufficient evidence to support gluten-free diet for IBS HeatherAdministrator 08/08/18 03:35 PM
. * Prebiotics vs a Diet Low in Fodmaps in Patients with Functional Gut Disorder HeatherAdministrator 07/18/18 02:58 PM
. * Diet, lifestyle outweigh genetic impact on gut microbiome HeatherAdministrator 03/19/18 02:39 PM
. * Fecal Profiling May Predict Dietary Response in IBS to FODMAPS Diet HeatherAdministrator 03/15/18 11:51 AM
. * Can a Western diet permanently alter the immune system? HeatherAdministrator 01/19/18 01:17 PM
. * High-fat diet leads to same intestinal inflammation as a virus HeatherAdministrator 06/23/17 04:25 PM
. * Gluten-free diet could increase cardiovascular risk in people without celiac disease HeatherAdministrator 05/09/17 01:35 PM
. * Gut microbiome profiles predict response to low FODMAP diet in IBS HeatherAdministrator 11/02/16 02:45 PM
. * Fructose malabsorption, symptom severity, IBS subtype predict response to low FODMAP diet HeatherAdministrator 06/27/16 02:44 PM
. * Fiber-Rich Diet May Boost Lung Function HeatherAdministrator 01/27/16 02:52 PM
. * 'Very limited evidence' to show FODMAPS diet helps IBS HeatherAdministrator 08/07/15 11:56 AM
. * Intestinal Microbiota And Diet in IBS HeatherAdministrator 01/27/15 11:50 AM
. * Low-FODMAP diet NOT superior to traditional diet for reducing IBS symptoms HeatherAdministrator 11/24/14 10:17 AM
. * Rapid increase in IBD caused by dietary trigger? HeatherAdministrator 10/07/14 02:34 PM
. * FODMAPS diet reduces good gut bacteria levels HeatherAdministrator 08/04/14 04:25 PM
. * White bread good for the gut HeatherAdministrator 06/24/14 12:03 PM
. * IBS diet quick tip - HOW to eat for IBS HeatherAdministrator 04/01/14 04:25 PM
. * Dairy and IBS HeatherAdministrator 03/11/14 02:12 PM
. * Soda pop and IBS HeatherAdministrator 03/11/14 02:11 PM
. * Popular blood type diet debunked HeatherAdministrator 01/17/14 11:51 AM
. * Chowing Down On Meat, Dairy Alters Gut Bacteria A Lot HeatherAdministrator 12/11/13 02:20 PM
. * Non-Celiac Wheat Sensitivity in IBS May Be a Food Allergy HeatherAdministrator 11/13/13 12:02 PM
. * Red meat linked to Barretts esophagus risk HeatherAdministrator 09/06/13 12:03 PM
. * 16 Foods that May Help Fight Acid Reflux HeatherAdministrator 08/23/13 01:38 PM
. * Coconut Oil for IBS? HeatherAdministrator 08/16/13 01:02 PM
. * Spicy Foods and IBS HeatherAdministrator 08/16/13 12:59 PM
. * Soy foods protect against colon cancer HeatherAdministrator 08/06/13 10:09 AM
. * A Tale of Two Fibers HeatherAdministrator 06/28/13 01:42 PM
. * Yet another reason to not skip breakfast HeatherAdministrator 06/18/13 11:24 AM
. * Less Meat = Longer Life HeatherAdministrator 06/12/13 05:18 PM
. * Limiting poorly digested carbs called FODMAPS may help ease irritable bowel syndrome HeatherAdministrator 05/22/13 02:55 PM
. * Fluids may prevent constipation better than anything HeatherAdministrator 05/21/13 01:46 PM
. * Fried foods have similar impact on your liver as hepatitis HeatherAdministrator 02/20/13 10:26 AM
. * Taming Stomachs With Fodmap Diet Spurs $8 Billion Market HeatherAdministrator 10/31/12 11:39 AM
. * Green tea drinkers show lower cancer risks HeatherAdministrator 10/31/12 11:37 AM
. * Atkins Low Carb-High Protein Diets May Put Heart at Risk HeatherAdministrator 06/27/12 02:36 PM
. * Milk fat may lead to bowel diseases by altering gut bacteria HeatherAdministrator 06/19/12 04:25 PM
. * Buddhist mindful eating practices enter the mainstream HeatherAdministrator 06/15/12 03:17 PM
. * High levels of fructose can damage liver HeatherAdministrator 06/15/12 03:15 PM
. * Vegetarian diet provides good nutrition, health benefits, study finds HeatherAdministrator 06/15/12 03:04 PM
. * Doubts cast on food intolerance testing HeatherAdministrator 05/03/12 03:19 PM
. * Starchy foods cut bowel cancer risk HeatherAdministrator 05/02/12 10:34 AM
. * Worldwide prevalence of lactose intolerance HeatherAdministrator 05/02/12 10:31 AM
. * Eating fish tied to lower risk of colon polyps HeatherAdministrator 04/23/12 01:25 PM
. * Dietary and other modifiable risk factors may account for as many as 90 percent of colorectal cancers HeatherAdministrator 04/23/12 01:14 PM
. * Helpful Gut Microbes May Differ Based on Diet HeatherAdministrator 09/07/11 12:16 PM
. * Soluble Fiber Appears Key to Trimming Bad Body Fat HeatherAdministrator 07/06/11 11:52 AM
. * Colon response to food is abnormal in irritable bowel syndrome HeatherAdministrator 04/19/11 01:42 PM
. * Red meat linked to cancer risks HeatherAdministrator 11/10/10 11:24 AM
. * White Rice for Functional Constipation HeatherAdministrator 10/13/10 02:53 PM
. * Adding gluten early may cause constipation in babies HeatherAdministrator 03/12/10 11:31 AM
. * Processed Meat May Harm the Heart HeatherAdministrator 03/12/10 11:27 AM
. * Increasing Soda Consumption Fuels Rise in Diabetes, Heart Disease HeatherAdministrator 03/12/10 11:26 AM
. * Strategy to combat cancer: Avoid meats and dairy products HeatherAdministrator 03/05/10 12:25 PM
. * Dietary Fiber May Help Prevent Weight Gain & Obesity HeatherAdministrator 03/05/10 12:16 PM
. * Soluble Fiber Helps IBS, Insoluble Fiber Hurts HeatherAdministrator 09/16/09 01:53 PM
. * IBS Diet Cheat Sheet Celebrates 1 Million Downloads by Irritable Bowel Syndrome Patients HeatherAdministrator 06/12/09 11:09 AM
. * Meat intake and mortality HeatherAdministrator 04/30/09 01:16 PM
. * Dietary changes highly acceptable to IBS patients HeatherAdministrator 03/18/09 05:51 PM
. * Role of dietary fructose and fructans in initiating symptoms of IBS in fructose malabsorbers HeatherAdministrator 08/07/08 12:20 PM
. * Therapeutic effects of eliminating allergic foods according to food-specific IgG antibodies in irritable bowel syndrome HeatherAdministrator 11/07/07 02:42 PM
. * Is there any food I can eat? Living with inflammatory bowel disease and/or irritable bowel syndrome. HeatherAdministrator 06/20/07 02:16 PM
. * More GI Symptoms, Less Anxiety With Tryptophan Supplementation in IBS HeatherAdministrator 04/28/07 10:18 AM
. * Abnormalities of GI transit in bloated irritable bowel syndrome: effect of bran HeatherAdministrator 12/01/06 02:08 PM
. * Influence of alcohol consumption on IBS and dyspepsia HeatherAdministrator 10/26/06 10:39 AM
. * Dietary means of diagnosing IBS HeatherAdministrator 02/01/06 12:10 PM
. * No evidence that soy estrogens increase cancer risk HeatherAdministrator 02/01/06 11:53 AM
. * Organic Diets Significantly Lower Childrens Dietary Exposure to Organophosphorus Pesticides HeatherAdministrator 01/08/06 05:21 PM
. * Carbonated Soft Drink Consumption and Risk of Esophageal Adenocarcinoma HeatherAdministrator 01/08/06 04:40 PM
. * Utility of Glycemic Index / Glycemic Load Questioned HeatherAdministrator 09/13/05 01:10 PM
. * IBS Sufferers Hypersensitive to Common Foods HeatherAdministrator 06/30/05 04:05 PM
. * Fruit, vegetable juices may stall Alzheimer's disease HeatherAdministrator 06/20/05 04:16 PM
. * UK investigates dietary management of constipation HeatherAdministrator 06/05/05 05:45 PM
. * Fructose intolerance in IBS could lead to fructose-free products HeatherAdministrator 04/10/05 06:45 PM
. * Fats and visceral sensitivity In IBS patients HeatherAdministrator 03/04/05 11:50 AM
. * Grapefruit Juice Can Interact With Medicines HeatherAdministrator 02/06/05 02:41 PM
. * Red Meat Consumption Linked to Colorectal Cancer HeatherAdministrator 01/23/05 05:12 PM
. * Dietary Fiber and GERD HeatherAdministrator 01/23/05 04:51 PM
. * Higher Fiber Shown To Reduce Estrogen Levels HeatherAdministrator 01/07/05 05:00 PM
. * Psyllium increases gas production and promotes gas retention HeatherAdministrator 11/28/04 02:43 PM
. * Soy could stop spread of breast cancer HeatherAdministrator 11/08/04 04:10 PM
. * Vegetarian Diet With Soy and Soluble Fiber Lowers Cholesterol HeatherAdministrator 10/28/04 07:09 PM
. * Soy is unlikely to damage fertility in women HeatherAdministrator 10/24/04 07:27 PM
. * Health-promoting compounds found in honey HeatherAdministrator 10/24/04 07:17 PM
. * Food Elimination Based on IgG Antibodies Helpful in Irritable Bowel Syndrome HeatherAdministrator 10/11/04 04:24 PM
. * The Lowdown on Low Carbs HeatherAdministrator 10/11/04 04:00 PM
. * Nut Consumption and Decreased Risk of Gallbladder Removal in Women HeatherAdministrator 09/26/04 03:12 PM
. * Yogurt and gut function HeatherAdministrator 09/26/04 03:06 PM
. * Cranberry Juice Found to Help Prevent Peptic Ulcers HeatherAdministrator 09/26/04 02:51 PM
. * High-Fiber, Low-Fat Diet Helps Calcium Prevent Colon Cancer HeatherAdministrator 08/30/04 01:18 PM
. * Herbs are an Abundant Source of Antioxidants HeatherAdministrator 08/08/04 03:17 PM
. * Soybean protein reduces body fat and triglycerides in women HeatherAdministrator 08/08/04 03:12 PM
. * Soy Cuts Risk of Endometrial Cancer HeatherAdministrator 07/24/04 02:23 PM
. * Alpha-Linoleic Acid in Walnuts Good for Cardiovascular Health HeatherAdministrator 07/24/04 02:02 PM
. * New list of the 20 most antioxidant-rich foods HeatherAdministrator 07/11/04 02:26 PM
. * Effect of fiber source on Clostridium difficile HeatherAdministrator 07/11/04 01:32 PM
. * High Protein Diet May Affect Female Fertility HeatherAdministrator 07/11/04 01:08 PM
. * Green Tea and Fruits May Have a Large Impact on GI Health HeatherAdministrator 06/04/04 06:35 PM
. * GI HEALTH AFFECTED BY CONSUMPTION OF COFFEE AND CARBONATED DRINKS HeatherAdministrator 06/04/04 06:30 PM
. * Bad news for low-carb dieters HeatherAdministrator 05/25/04 12:41 PM
. * Cancer Society Promotes Disease with Beef Fundraisers, Say Doctors HeatherAdministrator 05/25/04 12:37 PM
. * Too Much Drinking Could Serve Up Colon Cancer HeatherAdministrator 05/25/04 12:18 PM
. * Nutrition experts push trans fats ban - Say trans-fats are disastrous for your health. HeatherAdministrator 05/25/04 12:08 PM
. * Low-carb diets increase demand for laxatives HeatherAdministrator 05/10/04 12:59 PM
. * Systematic Review: The Role of Different Types of Fibre in IBS HeatherAdministrator 03/30/04 02:56 PM
. * High fructose corn syrup a major culprit in the nation's obesity crisis HeatherAdministrator 03/09/04 11:37 AM
. * While health foods may seem expensive, healthy diets save money in the long run HeatherAdministrator 03/08/04 06:50 PM
. * Stress May Lead To Food Allergies HeatherAdministrator 03/08/04 06:45 PM
. * McDonald's has documentary beef HeatherAdministrator 02/24/04 02:26 PM
. * Low Carb Diets are a Prescription for Prebiotics HeatherAdministrator 02/24/04 12:49 PM
. * Effects of a Low-Fat, High-Carbohydrate Diet on Body Weight HeatherAdministrator 01/26/04 05:28 PM
. * Fat, Fructose May Contribute to IBS Symptoms HeatherAdministrator 10/15/03 03:31 PM
. * Fructose may play role in irritable bowel syndrome HeatherAdministrator 10/13/03 12:11 PM
. * Essential Oils as Components of a Diet-Based Approach to Management of Helicobacter Infection HeatherAdministrator 09/30/03 01:34 PM
. * High Fiber, Low Fat Diet Reduces Estrogen Levels & Breast Cancer Risk HeatherAdministrator 09/30/03 12:56 PM
. * Milk Slows Recovery from Bowel Surgery HeatherAdministrator 09/16/03 04:03 PM
. * Water Works - Soluble Fiber and Heart Disease HeatherAdministrator 09/16/03 11:43 AM
. * Cows milk consumption in constipation and anal fissure in infants and young children HeatherAdministrator 08/12/03 12:03 PM
. * Intestinal gas production from bacterial fermentation of undigested carbohydrate in IBS HeatherAdministrator 07/18/03 12:05 PM
. * Fructose- and sorbitol-reduced diet improves mood and gastrointestinal disturbances HeatherAdministrator 07/18/03 11:58 AM
. * Beneficial health effects of low-digestible carbohydrate consumption. HeatherAdministrator 07/18/03 11:56 AM
. * Calcium polycarbophil compared with placebo in IBS HeatherAdministrator 07/15/03 11:10 PM
. * Nutritional therapy of irritable bowel syndrome. HeatherAdministrator 07/15/03 11:05 PM
. * Rice Demonstrates a Preventive Effect on Constipation HeatherAdministrator 07/14/03 04:05 PM
. * High-Protein Diets Can Hurt Kidneys HeatherAdministrator 07/14/03 04:01 PM
. * Diet and the irritable bowel syndrome. HeatherAdministrator 07/14/03 03:44 PM
. * Bran and irritable bowel syndrome: time for reappraisal HeatherAdministrator 07/14/03 03:41 PM
. * Bran: may irritate irritable bowel HeatherAdministrator 07/14/03 03:37 PM
. * Wheat bran vs. partially hydrolyzed guar gum for IBS patients HeatherAdministrator 07/14/03 03:34 PM
. * Dietary fibre in food and protection against colorectal cancer HeatherAdministrator 07/14/03 03:21 PM
. * Eating Food Too Fast Speeds Heartburn HeatherAdministrator 07/14/03 02:57 PM
. * Glycemic Load, Carbohydrate Intake, and Risk of Colorectal Cancer in Women HeatherAdministrator 07/14/03 02:37 PM

Extra information
0 registered and 14 anonymous users are browsing this forum.

Moderator:  Heather 



Permissions
You cannot post until you login
You cannot reply until you login
HTML is enabled
UBBCode is enabled

Thread views: 427328

Jump to

| Privacy statement Help for IBS Home

*
UBB.threads™ 6.2


Shop For IBS Here!