Priority 14 from the COPD Exacerbation PSP

UNCERTAINTY: What is the role of nutrition in the prevention and treatment of exacerbations? (JLA PSP Priority 14)
Overall ranking 14
JLA question ID 0104/14
Explanatory note This question seeks to understand whether making alterations to diet and nutrition might be associated with better prevention and more effective treatment of exacerbations. 
Evidence

There is no specific evidence at exacerbation.  https://www.cochranelibrary.com/cdsr/doi/10.1002/14651858.CD000998.pub3/full 
Health Research Classification System category  Respiratory
Extra information provided by this PSP
Original uncertainty examples

Is there any specific diet that can help to prevent exacerbations ~ Does diet have an effect?
Can some foods stop flare ups ~ Are there foods that I should not eat? ~ Does exercise, vitamins or diet help? ~ Does diet or exercise help prevent flares? ~ Can certain foods cause a flare-up
Submitted by Patient, Carer, Relative, Healthcare professional
PSP information
PSP unique ID 0104
PSP name COPD Exacerbation PSP
Total number of uncertainties identified by this PSP. 51 (To see a full list of all uncertainties identified, please see the detailed spreadsheet held on the JLA website)
Date of priority setting workshop 1 April 2020