Annals of Thoracic Medicine Official publication of the Saudi Thoracic Society, affiliated to King Saud University
 
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REVIEW ARTICLE
Year : 2020  |  Volume : 15  |  Issue : 3  |  Page : 125-133

Ramadan intermittent fasting and immunity: An important topic in the era of COVID-19


1 Department of Clinical Nutrition and Dietetics, College of Health Sciences/Research Institute of Medical and Health Sciences (RIMHS), University of Sharjah, Sharjah, United Arab Emirates
2 Immunology and Biotechnology Division, Department of Zoology, Faculty of Science, Tanta University, Egypt
3 Rehabilitation Services, Periphery Hospitals, Ministry of Health; College of Medicine and Medical Sciences, Arabian Gulf University, Manama, Bahrain
4 Department of Medical Laboratory Sciences, College of Health Sciences/Research Institute of Medical and Health Sciences (RIMHS), University of Sharjah, Sharjah, United Arab Emirates
5 Department of Medicine, College of Medicine, University Sleep Disorders Center, King Saud University, Reyad; The Strategic Technologies Program of the National Plan for Sciences and Technology and Innovation in the Kingdom of Saudi Arabia, Riyadh, Saudi Arabia

Correspondence Address:
Dr. Mo'ez A-Islam E. Faris
Department of Clinical Nutrition and Dietetics, College of Health Sciences/Research Institute of Medical and Health Sciences, University of Sharjah, Sharjah
United Arab Emirates
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DOI: 10.4103/atm.ATM_151_20

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WITH the growing pandemic of coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome (SARS)-related coronavirus (SARS-CoV-2) infection, a parallel growing interest arose concerning potential preventive and adjunct therapies, dietary and lifestyle modifications, and remedies that may boost the immunity against SARS-CoV-2 infection. Furthermore, as Ramadan intermittent religious fasting that is practiced by about one and a half billion Muslims throughout the globe is coincide this year with COVID-19 pandemic, a growing debate rose concerning the expected impact of fasting during Ramadan month and the associated dietary and lifestyle behaviors on the body's immunity against the pandemic infection. Published literature was searched to find out how intermittent fasting (IF) and its model of Ramadan affect the various aspects related to the body's immunity against microbial infections. IF was found to impact immunity by changing different related elements, including oxidative stress and inflammation, metabolism, body weight, and body composition. Dietary and lifestyle modifications during Ramadan month and their impact on immunity, such as water intake and hydration status, sleep duration and timing, caloric intake and mealtime, and social and spirtual activities, were addressed. Further research is warranted to figure out how IF during ramadan affects immunity against SARS-CoV-2 infection.


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