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Functional Medicine Explained
Categories: DietsFitness

Is White Bread OK for Some People?

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For years, you probably have been told that wheat bread is far better for you than its white counterpart, but a small, new study suggests that maxim may not hold true for everyone.

Researchers looked at how quickly blood sugar levels rose after eating (a process called the glycemic response) either white bread or sourdough-leavened wheat bread. The researchers found that the response seemed to vary by person, and that some people didn’t have a bad glycemic response to white bread.

“Our study suggests that, in terms of glycemic responses, different people respond differently to even the same meal,” explained study author Eran Segal, from the Weitzman Institute of Science in Rehovot, Israel.

“In the context of white bread, this means that some people respond badly to white bread and should probably avoid it, while others have a healthy response to it, given what we measured,” Segal said.

“In a broader sense, what this means is that the ‘one-size-fits-all’ diets that are given to the population as a whole, without personalization, are probably not optimal for everyone,” added study co-author Dr. Eran Elinav, who’s also from the Weitzman Institute.

The researchers theorized that differences in the gut microbiome (the natural bacteria living in a person’s intestine) may explain why people respond differently to different breads. The researchers added that they were able to predict what a person’s glycemic response would be to a particular bread based on the makeup of their microbiome.

Both Segal and Elinav did report they are paid consultants for a company that offers personalized dietary advice based on an individual’s gut microbiome.

At least one nutritionist wasn’t convinced that people should give up on whole grains.

“This small, short-term study does not offer a free pass to eating tons of highly processed white bread,” said Samantha Heller, a senior clinical nutritionist from New York University Langone Medical Center.

“Epidemiological research has shown that people who eat more whole grains, such as whole grain breads, crackers, cereals, brown rice and quinoa, have a reduced risk of type 2 diabetes, heart disease, inflammation, obesity and certain cancers,” Heller noted.

In addition, she said, whole grains have a balance of vitamins, minerals and other nutrients that white bread doesn’t. Plus, Heller said, fiber is the “preferred meal for gut microbiota.”

The study included 20 people from Israel. They were between 27 and 66 years old. Eleven were female, the researchers said.

Each volunteer spent a week eating white bread and a separate week eating artisanal sourdough-leavened whole wheat bread.

They ate bread first thing in the morning. Half the time, they were allowed butter on their bread. They couldn’t eat anything else beginning the night before, and then for two hours after eating the bread. They also weren’t allowed to exercise for two hours after eating, because all of these things can alter the glycemic response.

Across the groups, the researchers found a similar response to the breads when averaged together. There were no significant overall differences based solely on the bread and glycemic response. The researchers also said there didn’t seem to be a difference in the gut microbiota based on which bread was eaten.

“Our study challenges the common belief that types of food that are considered healthy are indeed healthy. We know that people are different in their genetic makeup and lifestyle, and here we show that people have rather stable and person-specific microbiomes,” said Avraham Levy, one of the study’s researchers. He’s also from the Weitzman Institute.

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“These differences between people affect how they respond to even the same meals, which means that foods which are considered healthy may not be as healthy for everyone, and vice versa,” Levy said.

The scientists noted that more research needs to be done. Funding for the study came from the Israeli Ministry of Science, Technology and Space, as well as from private foundations and donors.

In the meantime, a number of groups recommend eating whole grain foods instead of processed white foods. These groups include the U.S. federal government, the American Heart Association, the American Cancer Society, the American Diabetes Association and the Academy of Nutrition and Dietetics.

The study was published June 6 in the journal Cell Metabolism.

Post Disclaimer & Professional Scope of Practice *

The information herein on "Is White Bread OK for Some People?" is not intended to replace a one-on-one relationship with a qualified health care professional, licensed physician, and is not medical advice. We encourage you to make your own health care decisions based on your research and partnership with a qualified health care professional.

Our information scope is limited to chiropractic, musculoskeletal, physical medicines, wellness, sensitive health issues, functional medicine articles, topics, and discussions. We provide and present clinical collaboration with specialists from a wide array of disciplines. Each specialist is governed by their professional scope of practice and their jurisdiction of licensure. We use functional health & wellness protocols to treat and support care for the injuries or disorders of the musculoskeletal system.

Our videos, posts, topics, subjects, and insights cover clinical matters, issues, and topics that relate to and support, directly or indirectly, our clinical scope of practice.*

Our office has made a reasonable attempt to provide supportive citations and has identified the relevant research study or studies supporting our posts. We provide copies of supporting research studies available to regulatory boards and the public upon request.

We understand that we cover matters that require an additional explanation of how it may assist in a particular care plan or treatment protocol; therefore, to further discuss the subject matter above, please feel free to ask Dr. Alex Jimenez or contact us at 915-850-0900.

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Dr. Alex Jimenez DC, MSACP, CCST, IFMCP*, CIFM*, ATN*

email: coach@elpasofunctionalmedicine.com

Licensed in: Texas & New Mexico*

Dr Alex Jimenez

Welcome-Bienvenido's to our blog. We focus on treating severe spinal disabilities and injuries. We also treat Sciatica, Neck and Back Pain, Whiplash, Headaches, Knee Injuries, Sports Injuries, Dizziness, Poor Sleep, Arthritis. We use advanced proven therapies focused on optimal mobility, health, fitness, and structural conditioning. We use Individualized Diet Plans, Specialized Chiropractic Techniques, Mobility-Agility Training, Adapted Cross-Fit Protocols, and the "PUSH System" to treat patients suffering from various injuries and health problems. If you would like to learn more about a Doctor of Chiropractic who uses advanced progressive techniques to facilitate complete physical health, please connect with me. We focus on simplicity to help restore mobility and recovery. I'd love to see you. Connect!

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