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Les Mills International
Les Mills International
Les Mills International
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UNITING THE WORLD OF FITNESS
Health Club Management

Health Club Management

News

Strenuous exercise 'myth' challenged by new university research

Research by University of Bath could finally overturn the persistent myth that strenuous exercise suppresses the body's immune system and makes people "more susceptible to infections".

Published in the journal Frontiers in Immunology, the research reinterprets scientific findings from the last few decades and argues that exercise – instead of hampering immunity – could be beneficial for immune health.

Research on marathon runners in the 1980s suggested that many competitors had symptoms of infections in the period after races. This lead to an understanding that strenuous exercise increases infection risk by suppressing the immune system.

The University of Bath report entitled Debunking the Myth of Exercise-Induced Immune Suppression: Redefining the Impact of Exercise on Immunological Health Across the Lifespan, however, turns the tables on those long-held beliefs.

The study looked at the way in which immune cells react to exercise.

During exercise, the number of immune cells in the bloodstream can increase by up to 10 times. In the hours following exercise, the number of peripheral blood lymphocyte – and the functional capacity of the lymphocyte pool – is then decreased below pre-exercise levels. This has led to some to propose that exercise induces a short-term window of immune suppression.

The study suggests that, rather than been "lost", the cells move to other parts of the body which are more likely to become infected – such as the lungs.

"The acute and transient lymphopenia, one to two hours after exercise, is beneficial to immune surveillance and regulation," the report states.

"In what appears to be a highly specialised and systematic response, exercise redeploys immune cells to peripheral tissues – such as mucosal surfaces – to conduct immune surveillance.

"This means that there is strong evidence that a reduction in the frequency and function of lymphocytes (and other immune cells) in peripheral blood in the hours following vigorous and prolonged exercise does not reflect immune suppression.

"Instead, the observed lymphopenia represents a heightened state of immune surveillance and immune regulation driven by a preferential mobilisation of cells to peripheral tissues.

"As such, nutritional interventions, which have been employed to dampen the magnitude of exercise lymphopenia are unlikely to reduce the incidence of infections, but interventions that augment exercise-induced lymphocyte trafficking may provide benefits."

To read the full report, click here for the Frontiers in Immunology website

Research by University of Bath could finally overturn the persistent myth that strenuous exercise suppresses the body's immune system and makes people "more susceptible to infections".
HAF,FIT,IND,PTS,TRA,RES
THUMB26303_10761.jpg
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News

Strenuous exercise 'myth' challenged by new university research

Research by University of Bath could finally overturn the persistent myth that strenuous exercise suppresses the body's immune system and makes people "more susceptible to infections".

Published in the journal Frontiers in Immunology, the research reinterprets scientific findings from the last few decades and argues that exercise – instead of hampering immunity – could be beneficial for immune health.

Research on marathon runners in the 1980s suggested that many competitors had symptoms of infections in the period after races. This lead to an understanding that strenuous exercise increases infection risk by suppressing the immune system.

The University of Bath report entitled Debunking the Myth of Exercise-Induced Immune Suppression: Redefining the Impact of Exercise on Immunological Health Across the Lifespan, however, turns the tables on those long-held beliefs.

The study looked at the way in which immune cells react to exercise.

During exercise, the number of immune cells in the bloodstream can increase by up to 10 times. In the hours following exercise, the number of peripheral blood lymphocyte – and the functional capacity of the lymphocyte pool – is then decreased below pre-exercise levels. This has led to some to propose that exercise induces a short-term window of immune suppression.

The study suggests that, rather than been "lost", the cells move to other parts of the body which are more likely to become infected – such as the lungs.

"The acute and transient lymphopenia, one to two hours after exercise, is beneficial to immune surveillance and regulation," the report states.

"In what appears to be a highly specialised and systematic response, exercise redeploys immune cells to peripheral tissues – such as mucosal surfaces – to conduct immune surveillance.

"This means that there is strong evidence that a reduction in the frequency and function of lymphocytes (and other immune cells) in peripheral blood in the hours following vigorous and prolonged exercise does not reflect immune suppression.

"Instead, the observed lymphopenia represents a heightened state of immune surveillance and immune regulation driven by a preferential mobilisation of cells to peripheral tissues.

"As such, nutritional interventions, which have been employed to dampen the magnitude of exercise lymphopenia are unlikely to reduce the incidence of infections, but interventions that augment exercise-induced lymphocyte trafficking may provide benefits."

To read the full report, click here for the Frontiers in Immunology website

Research by University of Bath could finally overturn the persistent myth that strenuous exercise suppresses the body's immune system and makes people "more susceptible to infections".
HAF,FIT,IND,PTS,TRA,RES
THUMB26303_10761.jpg

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Les Mills
Les Mills
1 - 20 of 12,212
HCM Magazine
Postbag
As HCM passed its 300th edition milestone, readers shared their thoughts and feelings on HCM’s contribution to the industry in a very special postbag
HCM Magazine
Supplier showcase
Pulse Fitness and Bolsover District Council have been collaborating for many years to deliver dedicated community activity spaces
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We’ve set ourselves the initial goal of developing 100 Feel Electric sites, using a cluster model
HCM Magazine
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HCM Magazine
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Featured supplier news
Featured supplier news: ACTIV partners with Fisikal to deliver custom branded member experience
ACTIV, a gym chain in Riyadh, Saudi Arabia, which operates separate gyms for men and women, has partnered with digital management solution expert Fisikal to create a custom branded experience for its members.
Featured supplier news
Featured supplier news: UK health clubs hit by rising cost of energy
Health clubs across the UK are facing huge rises in business energy bills which are forcing difficult decisions.
Featured operator news
Featured operator news: New partnership delivers swimming support to children with disabilities
A new partnership has been launched to provide inclusive swimming for children with mobility, visual and hearing disabilities.
Featured operator news
Featured operator news: New £42m Moorways Sports Village to open on 21 May
Everyone Active will open Moorways Sports Village to the public on Saturday 21 May with a grand opening weekend – in time for the half term holidays.
Video Gallery
Mindbody, Inc
Sport Alliance GmbH
Total Vibration Solutions / Floors 4 Gyms / TVS Sports Surfaces
Company profiles
Company profile: Rocca Creative Thinking Limited
Rocca. is a tech organisation specialising in sport and physical activity. It works with NGBs ...
Company profiles
Company profile: Gympass
Gympass is a corporate wellbeing platform that ignites and fuels every journey to feel good....
Catalogue Gallery
Click on a catalogue to view it online
Directory
Salt therapy products
Himalayan Source: Salt therapy products
Management software
Premier Software Solutions: Management software
Architects/designers
Zynk Design Consultants: Architects/designers
trade associations
International SPA Association - iSPA: trade associations
Spa software
SpaBooker: Spa software
Fitness equipment
A Panatta Sport Srl: Fitness equipment
Whole body cryotherapy
Zimmer MedizinSysteme GmbH / icelab: Whole body cryotherapy
On demand
Fitness On Demand: On demand
Flooring
Total Vibration Solutions / TVS Sports Surfaces: Flooring
Wearable technology solutions
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Pendine Sands, Carmarthenshire
Carmarthenshire County Council
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Runcorn
Halton Borough Council
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Diary dates
15-16 Jun 2022
ExCeL London, London, United Kingdom
Diary dates
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The ICC, Birmingham, Birmingham , United Kingdom
Diary dates
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Diary dates
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Diary dates
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Diary dates
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