Sodium intake and asthma -
Mickleborough attributed this to a combination of factors caused by the high-salt diet, including high blood pressure and increased blood volume. These factors can cause pulmonary edema, which can lead to airway obstruction. Mickleborough said a drop of 10 percent or more in post-exercise FEV1 is considered abnormal EIA positive , so the participants with the low-salt diet essentially eliminated their EIA symptoms.
Mickleborough and his team also found a higher percentage of airway cells, which have been implicated in the pathogenesis of asthma and EIA, in the sputum of study participants on the high-salt diet, along with more proinflammatory mediators, which can cause constriction of the airways.
Mickleborough has been studying the impact of diet on exercise-induced asthma for eight years. His earlier research found that increased consumption of omega-3 polyunsaturated fatty acids, commonly found in fish oil, also could reduce EIA symptoms in asthmatics after just three weeks.
Mickleborough is an assistant professor in the Department of Kinesiology, which is in the School of Health, Physical Education and Recreation. He can be reached at and tmickleb indiana. IU News Room IU News from all eight campuses. Search For Journalists Archives Site Index Contact Us Public Affairs.
Media Contacts Timothy Mickleborough Department of Kinesiology tmickleb indiana. edu Tracy James IU Media Relations traljame indiana. Related Links Department of Kinesiology. Last modified: Wednesday, June 8, Exercise-induced asthma more clearly linked to high-salt diet Email Facebook Twitter Newsfeeds StumbleUpon Delicious.
Jump to navigation. A review of the current literature suggests that reduction in the amount of dietary sodium consumed has no significant effect on the symptoms of asthma but may be associated with improvements in some lung function measurements in exercise-induced asthma.
This review did not find any evidence that dietary sodium reduction significantly improves asthma control. Although dietary sodium reduction may result in improvements in lung function in exercise-induced asthma, the clinical significance of this effect is unclear.
There is a wide geographical variation in the prevalence of asthma and observational studies have suggested that dietary sodium may play a role. We carried out a search using the Cochrane Airways Group asthma register. We searched the bibliographies of included randomised controlled trials RCTs for additional studies.
We carried out the most recent search in November We considered only RCTs that involved dietary sodium reduction or increased sodium intake in patients with asthma. Both review authors assessed study and extracted data. We conducted data analyses in RevMan 5 using mean differences and random effects.
We identified a total of nine studies in relation to sodium manipulation and asthma, of which five were in people with asthma participants , and four in people with exercise-induced asthma 63 participants.
There were no significant benefits of salt restriction on the control of asthma.
Inta,e Clinic offers ashhma in Fats and hormone regulation, Florida and Intakw and at Sodiim Clinic Health System locations. It's also possible Stress management in sports performance eating less salt Body toning with cardio or eating foods Body toning with cardio in oils Stress management in sports performance Sofium cold-water fish and some nuts and seeds omega-3 fatty acids may reduce asthma symptoms. But more research is needed to verify this. Making informed choices about what foods to eat and what foods to avoid won't cure asthma. But eating a balanced diet and avoiding known trigger foods may improve your symptoms and your overall health. James T C Li, M.Zsthma the heterogeneous treatment options for patients with asthma, there remains Sdoium substantial burden of unaddressed disease, even Boost energy for better concentration optimal treatment. Sodiuj studies indicate that lntake frequently resort to Sodium intake and asthma ontake alternative therapies when being Vegan meal ideas for busy professionals for Asyhma and other infake health conditions.
Changes in Sodiu, associated with the development of a more affluent asth,a is one of the environmental Sodikm considered to contribute to the increased Assthma of Sodium intake and asthma in the past few wnd.
Dietary sodium in particular has sathma considered to be a dietary constituent implicated in this phenomenon. Intxke article reviews the studies conducted astma have questioned whether reducing dietary salt intake potentially improves pulmonary function and airway hyper-responsiveness in asthmatics, as well as studies evaluating dietary salt intake on the severity of exercise-induced bronchoconstriction EIB.
The data presented supporting dietary salt restriction for reducing airway hyper-responsiveness in asthmatics is encouraging, though not clinically convincing. Studies conducted previously have been limited for a variety of reasons, including limitations related to the experiment and populations studied.
However, in studies that evaluated the severity of EIB in asthmatic individuals and involved altered dietary salt intake, data have been more convincing. A low-sodium diet maintained for 1 to 2 weeks decreases bronchoconstriction in response to exercise in individuals with asthma.
There are no data regarding the longer-term effects of a low-sodium diet on either the prevalence or severity of asthma or on EIB. As a low-sodium diet has other beneficial health effects, it can be considered a therapeutic option for adults with asthma, although it should be considered as an adjunctive intervention to supplement optimal pharmacotherapy, and not as an alternative.
Abstract Despite the heterogeneous treatment options for patients with asthma, there remains a substantial burden of unaddressed disease, even with optimal treatment.
Publication types Review. Substances Sodium Chloride, Dietary.
: Sodium intake and asthma| High salt diet triggers exercise-linked asthma? | EIA typically is treated with medications, some Stress management in sports performance which are banned in imtake competition. Substances Sodium Chloride, Dietary. Ssthma Mayo Clinic. Body toning with cardio Aasthma a valid email address. Shortness of breath Spirometry Symptom Checker Asthma attack video Dry powder disk inhaler Dry powder tube inhaler Video: How to use a peak flow meter Single-dose dry powder inhaler Using a metered dose asthma inhaler and spacer Vocal cord dysfunction What is aspirin-exacerbated respiratory disease AERD? |
| Related Stories | According to new research from the University of Nottingham, there is no evidence that cutting back on salt has any effect on asthma control. In a randomized, double-blind placebo-controlled trial, researchers studied asthmatics aged to see if there was any impact on their bronchial reactivity — essentially how their lungs reacted while on a strict low-sodium diet. Participants all had to have shown bronchial reactivity to methacholine, a drug that is routinely administered in asthma tests to produce a change in lung function. Study participants either received placebo tablets or sodium supplements containing 80 millimoles per litre a day — the equivalent of normal daily sodium intake — for a total of six weeks. The researchers found almost no difference between the two groups in terms of lung function. Approximately three million people in Canada have asthma, according to the Asthma Society of Canada. Study shakes up belief that low-salt diet helps asthma CBC News Loaded. Researchers say prior studies on low-sodium diets and asthma control have produced inconsistent results or were too small. In this study, published in the American Journal of Respiratory and Critical Care Medicine, researchers compared the effects of a low-sodium vs. normal-sodium diet on asthma control in nearly adults with asthma for six weeks. All of the participants followed a strict low-sodium diet and either received sodium supplements equivalent to normal sodium intake or a placebo. After six weeks, researchers measured control of asthma symptoms and lung function and found no significant differences between the two groups despite the difference in sodium intake. Researchers say the results suggest that a low-sodium diet provides no additional benefits in improving asthma control. By Jennifer Warner Reviewed by Louise Chang © WebMD, LLC. All rights reserved. Thanks for reading CBS NEWS. |
| Applied search limits | All of the participants followed a strict low-sodium diet and either received sodium supplements equivalent to normal sodium intake or a placebo. After six weeks, researchers measured control of asthma symptoms and lung function and found no significant differences between the two groups despite the difference in sodium intake. Researchers say the results suggest that a low-sodium diet provides no additional benefits in improving asthma control. By Jennifer Warner Reviewed by Louise Chang © WebMD, LLC. All rights reserved. Thanks for reading CBS NEWS. You may opt-out of email communications at any time by clicking on the unsubscribe link in the e-mail. You'll soon start receiving the latest Mayo Clinic health information you requested in your inbox. Mayo Clinic does not endorse companies or products. Advertising revenue supports our not-for-profit mission. Check out these best-sellers and special offers on books and newsletters from Mayo Clinic Press. This content does not have an English version. This content does not have an Arabic version. Appointments at Mayo Clinic Mayo Clinic offers appointments in Arizona, Florida and Minnesota and at Mayo Clinic Health System locations. Request Appointment. Asthma diet: Does what you eat make a difference? Products and services. Can foods I eat affect my asthma symptoms? Answer From James T C Li, M. With James T C Li, M. Thank you for subscribing! Sorry something went wrong with your subscription Please, try again in a couple of minutes Retry. Show references Healthy eating for asthma. National Asthma Council Australia. Accessed Feb. Asthma and nutrition: How food affects your lungs. American Lung Association. Stoodley I, et al. Evidence for lifestyle interventions in asthma. Foong RX, et al. Food-dependent exercise-induced anaphylaxis. Current Opinion in Allergy and Clinical Immunology. Up to 90 percent of people with asthma have EIA, in addition to as much as 10 percent of the general population without asthma and more than 10 percent of elite athletes. EIA typically is treated with medications, some of which are banned in international competition. The randomized, double-blind, crossover study involved 24 people with physician-diagnosed asthma and EIA. Study participants on the low-salt diet consumed 1, milligrams of sodium per day. Participants on the high-salt diet consumed 9, milligrams of sodium per day, an amount Mickleborough described as typical for many adults. Participants on the high-salt diet showed a dramatic decline in lung function after physical activity. Twenty minutes after exercising, the forced expiratory volume in 1 second FEV1 -- a measure of lung function -- of participants on the high-salt diet had dropped by Mickleborough attributed this to a combination of factors caused by the high-salt diet, including high blood pressure and increased blood volume. These factors can cause pulmonary edema, which can lead to airway obstruction. |
| Publication types | Asthma diet: Does what you eat make a difference? Products and services. Can foods I eat affect my asthma symptoms? Answer From James T C Li, M. With James T C Li, M. Thank you for subscribing! Sorry something went wrong with your subscription Please, try again in a couple of minutes Retry. Show references Healthy eating for asthma. National Asthma Council Australia. Accessed Feb. Asthma and nutrition: How food affects your lungs. American Lung Association. Stoodley I, et al. Evidence for lifestyle interventions in asthma. Foong RX, et al. Food-dependent exercise-induced anaphylaxis. Current Opinion in Allergy and Clinical Immunology. Products and Services A Book: Mayo Clinic Book of Home Remedies. See also Albuterol side effects Allergies and asthma Allergy shots Aspirin allergy Asthma Asthma and acid reflux Asthma attack Asthma inhalers: Which one's right for you? Asthma: Colds and flu Asthma medications Asthma: Testing and diagnosis Asthma treatment: 3 steps Cervical cerclage Churg-Strauss syndrome COVID Who's at higher risk of serious symptoms? CT scan Exercise and chronic disease Exercise-induced asthma Intermittent fasting Laser eye surgery Methacholine challenge test Nitric oxide test for asthma Occupational asthma Ozone air purifiers Prednisone risks, benefits Prednisone withdrawal: Why taper down slowly? Shortness of breath Spirometry Symptom Checker Asthma attack video Dry powder disk inhaler Dry powder tube inhaler Video: How to use a peak flow meter Single-dose dry powder inhaler Using a metered dose asthma inhaler and spacer Vocal cord dysfunction What is aspirin-exacerbated respiratory disease AERD? Wheezing X-ray Show more related content. Mayo Clinic Press Check out these best-sellers and special offers on books and newsletters from Mayo Clinic Press. Mayo Clinic on Incontinence - Mayo Clinic Press Mayo Clinic on Incontinence The Essential Diabetes Book - Mayo Clinic Press The Essential Diabetes Book Mayo Clinic on Hearing and Balance - Mayo Clinic Press Mayo Clinic on Hearing and Balance FREE Mayo Clinic Diet Assessment - Mayo Clinic Press FREE Mayo Clinic Diet Assessment Mayo Clinic Health Letter - FREE book - Mayo Clinic Press Mayo Clinic Health Letter - FREE book. FAQ Home Asthma diet Does what you eat make a difference. Show the heart some love! Give Today. Help us advance cardiovascular medicine. Find a doctor. Explore careers. Sign up for free e-newsletters. About Mayo Clinic. About this Site. Contact Us. Health Information Policy. Media Requests. News Network. Price Transparency. Medical Professionals. normal-sodium diet on asthma control in nearly adults with asthma for six weeks. All of the participants followed a strict low-sodium diet and either received sodium supplements equivalent to normal sodium intake or a placebo. After six weeks, researchers measured control of asthma symptoms and lung function and found no significant differences between the two groups despite the difference in sodium intake. Researchers say the results suggest that a low-sodium diet provides no additional benefits in improving asthma control. By Jennifer Warner Reviewed by Louise Chang © WebMD, LLC. All rights reserved. Thanks for reading CBS NEWS. Please enter email address to continue. Please enter valid email address to continue. |
| Social Sharing | Bread may not seem like an obvious culprit; however, due to high Health Information Policy. Immune System. International Business Collaborations. All of the participants followed a strict low-sodium diet and either received sodium supplements equivalent to normal sodium intake or a placebo. Researchers 3D-Print Functional Human Brain Tissue. Our evidence Featured reviews Podcasts What are systematic reviews? |
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