diet

March 6, 2020 News by Ana Pena PhD

#ACTRIMS2020 – What We Now Know About Diet and MS

What science has told us about how diet might influence a person’s risk of multiple sclerosis and a patient’s disease course was the topic of discussion at a recent MS conference. Ellen Mowry, MD, a researcher and professor of neurology at John Hopkins, also reviewed some of the dietary…

January 10, 2020 Columns by John Connor

Lo, on the Very First Vegan Christmas

Only 347 shopping days to go! So don’t dismiss this as a column about last Christmas (though that’s what it is!) but as possibly the first on the planet about the next one. Luckily, I quite like nut roast. But it is very much “quite” like. I don’t like it…

May 17, 2019 News by Alana Kessler MS RD

How Diet Helped Creator of Wahls Protocol in Personal MS Journey: A Nutritionist’s View

In my recent conversation with Terry Wahls, MD, creator of the Wahls diet for multiple sclerosis (MS), she said something that resonated with me: “You can’t change your genes, but you can change your gene’s expression.” How true this statement is. However, it was only a few short years ago that Dr. Wahls’ diet protocol, and “food as medicine” philosophy was being met with strong criticism from the medical community. Nowadays, the modified paleolithic diet and lifestyle program she facilitates at the Wahls Institute in Iowa is being touted as the work of a visionary.

April 12, 2019 News by Marisa Wexler, MS

Excess Body Fat Spurs Disease Progression by Impact on Immune Cells, Study Suggests

A link between fat molecules called ceramides and worsening disease in overweight and obese people with multiple sclerosis appears to exist, a study reports, with its findings suggesting that ceramides prompt the growth of immune cells called monocytes, which in turn spurs disease progression. These results also strengthen the likelihood that lifestyle factors, like diet and weight, can act as disease modifiers, its researchers said. High body mass index has been linked to the risk of developing MS, but for reasons that aren't clear. One idea is that weight-induced differences in lipids (fat molecules) in the blood, because they are involved in several cellular signaling processes, may affect MS and its course in people with higher BMIs. To test this hypothesis, a team led by researchers at the Advanced Science Research Center (ASRC) at The Graduate Center and at the Icahn School of Medicine at Mount Sinai analyzed 54 patients with relapsing-remitting MS (MS), ages 18 to 60, and with normal or high BMIs (27 people in each group). Participants were followed for two years. BMI is a measure of body fat based on height and weight. A normal BMI is defined as one between 18.5 and 24.9, while a person is considered overweight with a BMI of 25–29.9, and obese it is 30 or higher. Researchers took blood samples, and looked for differences between the groups in terms of both immune cells and blood lipid profiles. They then validated their findings in a separate group of 91 RRMS patients. Patients with high BMIs tended to have more monocytes than those with normal BMIs. Monocytes can travel through the blood to tissues where they develop into macrophages, immune cells with various functions that are best known for "eating" invading bacteria. Monocytes can also travel to the brain and damage nerve fibers. Overweight and obese patients also had significantly higher levels of ceramides compared with normal-weight patients, and the researchers wondered if a link might exist between the two. Through a set of experiments in cells, they discovered that ceramides cause epigenetic changes in monocytes; that is, they alter the way their genomes are "read," so they alter gene activity. Specifically, ceramide-treated cells showed a type of epigenetic change called methylation — which generally turns genes "off" — in genes that normally help prevent cells from dividing. Conceptually, these genetic changes serve to unleash monocytes, leading them to grow more (proliferate) than they otherwise might. The researchers also found more methylation on the genomes of monocytes from high-BMI patients than those from low-BMI patients, and they noted that the overweight or obese patients also tended to have greater disease activity, worse disability progression, and more brain lesions on MRI (magnetic resonance imaging) scans on follow-up. Finally, the researchers tested a mouse model of MS, giving one group of mice a standard diet and another a high-fat diet. Mice fed the high-fat diet were found to have greater disease severity, more brain lesions, and more monocytes, confirming the findings seen in MS patients. "This study gives us a much-needed view into the environmental influences that can affect and change the behavior of cells in an individual's body," Kamilah Castro, the study's first author, said in a press release. "Our findings suggest that increased levels of saturated fat as a result of dietary habits are one likely cause of the epigenetic changes that advance MS, which gives us a starting point for a potential intervention." According to the team, the findings support the concept of nutri-epigenomics: that is, the ability of food to alter the way the genetic information is interpreted by each cell, and suggest that "weight management and dietary intervention" might affect MS prognosis. One limitation was the study's small size, its researchers noted. "While we consider our results … very exciting and mechanistic, we acknowledge that the potential consideration of ceramide levels as biomarkers for disease progression in MS would require validation ... using larger cohorts with a longitudinal and/or cross-sectional design," they concluded. "It will also be important to evaluate the effectiveness of dietary intervention (with an emphasis on the reduction of specific classes of saturated fats), as potential modulator of plasma ceramide levels and possibly of disease course in MS patients."

March 8, 2019 News by Patricia Inacio, PhD

Daily Cup of Flavonoid-rich Cocoa May Help Ease MS Fatigue

A daily cup of flavonoid-rich cocoa may help ease fatigue in people with relapsing-remitting multiple sclerosis (RRMS), according to the results of a small clinical trial. The study “A randomised double-blind placebo-controlled feasibility trial of flavonoid-rich cocoa for fatigue in people with relapsing and remitting multiple sclerosis” was…

November 27, 2018 News by Santiago Gisler

Lifestyle Factors Tied to MS-related Depression, Large Study Finds

Changeable lifestyle factors influence the risk and severity of depression associated with multiple sclerosis (MS), a study based on a large group of patients shows. According to the study, alcohol consumption in particular was linked negatively with depression incidence and severity. In addition, a healthy diet and vitamin D and omega-3 supplementation…

November 5, 2018 News by Stacy Grieve, PhD

Salt-rich Diet Appears to Trigger Inflammation and Promote Autoimmune Disease by Impact on T-cells, Study Reports

Researchers at Yale uncovered a way that high-salt diets may trigger inflammation and possibly contribute to the development of autoimmune diseases such as multiple sclerosis (MS). Their study, “Activated β-catenin in Foxp3+ regulatory T cells links inflammatory environments to autoimmunity,” was recently published in the journal Nature…

August 7, 2018 News by Joana Carvalho, PhD

Vitamin D3 Insufficiency Increases MS Susceptibility in a Gene and Sex-dependent Manner

Vitamin D3 insufficiency increases multiple sclerosis (MS) susceptibility in a gene and sex-dependent manner, a mouse study suggests. The study with that finding, “Sex-Specific Gene-by-Vitamin D Interactions Regulate Susceptibility to Central Nervous System Autoimmunity,” by researchers at the University of Vermont, was published in the journal Frontiers in…

July 12, 2018 News by Ana Pena PhD

Missouri Trial to Examine if Fasting Alters Gut Microbiome and Immune System of RRMS Patients in Helpful Ways

A 12-week clinical study is recruiting people with relapsing-remitting multiple sclerosis (RRMS) to evaluate if intermittent fasting can improve their immune response, metabolism, and gut microbiome — the bacterial community that inhabits the gastrointestinal tract. Its findings may also hint at whether such a diet might ease MS symptoms or alter discourse course and, if used in conjunction with other treatments, boost their efficacy. Conducted by researchers at Washington University in St. Louis, Missouri, the trial is supported by their findings in an earlier mouse study.  Results showed that fasting worked to ease MS-like symptoms in a mouse model of the disease, the research team reported. Specifically, EAE mice fed every other day were less prone to symptoms that included difficulty in walking, limb weakness, and paralysis than mice allowed to eat freely.  A fasting diet also enriched bacterial diversity in the mice guts, and shifted immune cell populations there toward a lower inflammatory response. When gut bacteria were transferred from fasting mice to nonfasting mice, the later also were seen to be better protected against MS-like movement problems, supporting the influence of the gut microbiome on MS symptoms. Several diets have been proposed to help ease disease progression in MS patients, but solid scientific evidence is lacking to support any one diet over another, leaving the issue much to an individual’s choice. “The fact is that diet may indeed help with MS symptoms, but the studies haven’t been done,” Laura Piccio, MD, an associate professor of neurology at WUSTL and the study's lead author, said in a WUSTL news release written by Tamara Bhandari. Taking place at the Missouri university, the trial is expected to enroll 60 RRMS patients. Half will be randomly assigned to eat a standard Western-style diet seven days a week, and the other half to Western-style diet five days a week, with two days set aside for fasting (consuming a maximum of 500 calories each day). On fasting days, patients can only drink water or calorie-free beverages and eat fresh, steamed or roasted non-starchy vegetables All will undergo a neurological assessment, and provide blood and stool samples in the study's beginning, at mid-point or week six, and at its end (week 12). Those using MS medications will continue on their prescribed treatment regimens throughout the study. More information, including enrollment information, is available here. Piccio noted that a pilot study on diet in 16 MS patients showed that limiting calories every other day for two weeks led to immune and gut microbiome changes that resembled those observed in the mice study she helped to lead. Its researchers concluded that intermittent fasting had the potential to positively manipulate the immune response in MS patients by changing their gut microbiome. The gut microbiome plays a central role in digestion, and in producing vitamins and amino acids (the building blocks of proteins). But a growing body of evidence indicates that it also determines how our immune systems develops and matures. Indeed, an increasing number of studies link irregularities in the gut microbiome with MS. “There are several possible ways fasting can affect inflammation and the immune response,” Piccio said. “One is by changing hormone levels. We found that levels of the anti-inflammatory hormone corticosterone were nearly twice as high in the fasting mice. But it also could act through the gut microbiome.” The new trial will allow the team to analyze more deeply the effects of a fasting diet — and perhaps gather evidence for a larger study investigating if skipping meals can ease MS symptoms. Its goal is to find out "whether people on limited fasts undergo changes to their metabolism, immune response and microbiome similar to what we see in the mouse,” Piccio said. “I don’t think any physician working with this disease thinks you can cure MS with diet alone,” she added, “but we may be able to use it as an add-on to current treatments to help people feel better.”

June 28, 2018 Columns by Jennifer (Jenn) Powell

Life After Whole30: Nutrition and MS

Last month, I challenged myself to conquer Whole30: 30 days of no gluten, grain, dairy, sugar, or sulfites. Forty days later, I am proud to say I not only survived, I thrived. I am still thriving. Friends have long been touting the merits of adopting a synonymous eating plan.

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