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Maintaining Healthy Lungs & a Healthy Body During the COVID Era & Beyond; Next Book: Snowball Theory

I just finished a new book! Working on finishing the self-publishing process. Here are some excerpts. It is backed up by PubMed research and citations, but it is written for everyone!

Stay tuned for my next book on my "Snowball Theory" on the pathophysiology of COVID and other conditions!

By the way I was very ill and recovering and that's why there was a lack of posts for awhile. Hope you are doing well!


Maintaining Healthy Lungs & a Healthy Body in the COVID Era and Beyond


by Melinda B. Chu

This may seem to be a peculiar topic for a book, but it represents a significant global health problem. As of July 2, 2021, there are currently 183 million diagnoses of COVID-19. [CDC] Based on data from a large study (n = 837), an estimated 39% of patients have ongoing lung symptoms and lung abnormalities on imaging after 4 weeks – this is ~71.4 million people globally with post-COVID lung abnormalities! [Myall et al, 2021]

This short book is about maintaining good health and specifically focused on maintaining good lung health during the COVID era and beyond. The topics the book will focus on are incentive spirometry, breathing exercises and exercise as a therapeutic.

Exercise-Induced Immunomodulation

If you haven’t reviewed immunology recently, the main points are that exercise can increase the ability for the immune system to fight infections and decrease the negative inflammatory effects of viruses. Moderate intensity exercise is the best type of exercise to increase immune protection. Given that COVID is relatively new, it is unclear if these specific immune system changes happen in COVID. There is not a reason to think that they don’t happen. Leandro et al recommend “the practice of moderate-intensity exercise at home,” and the authors believe that “Low-to-moderate exercise-induced immunomodulation might be an important tool to improve immune responses against the progression of SARS-CoV2 infection.” [Leandro et al, 2020]


I hope this gave you some things to think about and something that piqued your interest! Check out my next book “Snowball Theory,” which should be out soon. It features my ideas on the pathophysiology and mechanisms of COVID as well as other conditions. The most exciting part of the Snowball Theory is that you can treat it early and prevent a negative outcome from happening. Check it out!

Citations (in order in the text)

Centers for Disease Control CDC.gov Accessed on July 2, 2021.

Myall KJ et al. Persistent Post-COVID-19 Interstitial Lung Disease. An Observational Study of Corticosteroid Treatment. Ann Am Thorac Soc. 2021 May;18(5):799-806. doi: 10.1513/AnnalsATS.202008-1002OC.

Sheth AR et al, 2021. Judicious use of incentive spirometry in resource limited times of COVID-19 pandemic. Am J Emerg Med. 2021 May 15:S0735-6757(21)00417-4. doi: 10.1016/j.ajem.2021.05.033. Online ahead of print.

Seyller H et al. A breath of fresh air: The role of incentive spirometry in the treatment of COVID-19. Am J Emerg Med. 2021 Feb 1:S0735-6757(21)00087-5. doi: 10.1016/j.ajem.2021.01.084. Online ahead of print.

Aweto HA et al. Effects of incentive spirometry on cardiopulmonary parameters, functional capacity and glycemic control in patients with Type 2 diabetes. Hong Kong Physiother J

. 2020 Dec;40(2):121-132. doi: 10.1142/S1013702520500110. Epub 2020 Apr 30.

“Incentive Spirometry” physio-pedia.com. Accessed on July 2, 2021.

“Incentive Spirometry”

How To Use an Incentive Spirometer (clevelandclinic.org) Accessed on July 2, 2021.

“Incentive Spirometer”

Incentive Spirometer - Lung Exerciser - Vive Health. Accessed on July 2, 2021.

Pousman and Parmley in Benumof’s Airway Management (2nd edition), 2007

Malik PRA et al. Incentive Spirometry After Lung Resection: A Randomized Controlled Trial. Ann Thorac Surg. 2018 Aug;106(2):340-345. doi: 10.1016/j.athoracsur.2018.03.051. Epub 2018 Apr 24.

Rondinel TZ et al. Incentive spirometry combined with expiratory positive airway pressure improves asthma control and quality of life in asthma: a randomised controlled trial. Asthma. 2015 Mar;52(2):220-6. doi: 10.3109/02770903.2014.956890. Epub 2014 Sep 2.

Lu Y et al. Effects of Home-Based Breathing Exercises in Subjects With COPD. Respir Care. 2020 Mar;65(3):377-387. doi: 10.4187/respcare.07121. Epub 2019 Nov 12.

Bonilha AG et al. Effects of singing classes on pulmonary function and quality of life of COPD patients. Int J Chron Obstruct Pulmon Dis

. 2009;4:1-8. Epub 2009 Apr 15.

Chung Y et al. 12-Week Inspiratory Muscle Training Improves Respiratory Muscle Strength in Adult Patients with Stable Asthma: A Randomized Controlled Trial. Int J Environ Res Public Health

. 2021 Mar 22;18(6):3267. doi: 10.3390/ijerph18063267.

Hekmatikar AHA et al. Exercise in an Overweight Patient with Covid-19: A Case Study. Int J Environ Res Public Health. 2021 May 30;18(11):5882. doi: 10.3390/ijerph18115882.

Leandro CG et al. Covid-19 and Exercise-Induced Immunomodulation. Neuroimmunomodulation

. 2020;27(1):75-78. doi: 10.1159/000508951. Epub 2020 Jun 5.

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