Letter to the Editor
Copyright ©The Author(s) 2022. Published by Baishideng Publishing Group Inc. All rights reserved.
World J Psychiatry. Jul 19, 2022; 12(7): 999-1001
Published online Jul 19, 2022. doi: 10.5498/wjp.v12.i7.999
Underlying reasons for the decline in physical activity during COVID-19
Yang-Fen Zhang, Li-Ke Qiu, Zhi-Peng Li, Lian-Ping He, Ling-Ling Zhou
Yang-Fen Zhang, Li-Ke Qiu, Zhi-Peng Li, Lian-Ping He, Ling-Ling Zhou, School of Medicine, Taizhou University, Taizhou 318000, Zhejiang Province, China
Author contributions: Zhang YF and Zhou LL contributed to the conception of research; Zhang YF and Li ZP wrote the manuscript; He LP and Qiu LK contributed to the revision of the manuscript; all authors approved the final manuscript for submission.
Supported by Curriculum Reform Project of Taizhou University in 2021, No. xkg2021087.
Conflict-of-interest statement: All the authors report no relevant conflicts of interest for this article.
Open-Access: This article is an open-access article that was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution NonCommercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: https://creativecommons.org/Licenses/by-nc/4.0/
Corresponding author: Ling-Ling Zhou, MD, Teacher, School of Medicine, Taizhou University, No. 1139 Shifu Avenue, Taizhou 318000, Zhejiang Province, China. 45686662@qq.com
Received: February 21, 2022
Peer-review started: February 21, 2022
First decision: April 18, 2022
Revised: April 19, 2022
Accepted: June 16, 2022
Article in press: June 16, 2022
Published online: July 19, 2022
Abstract

The article not only successfully evaluated regular physical activities can improve mental well-being during self-isolation and social distancing policies related to the coronavirus disease 2019 (COVID-19), but also concluded that the COVID-19 pandemic may lead to augmented levels of angiotensin-converting enzyme-2. By reading the article of Walid Kamal Abdelbasset, we have some questions and put forward some suggestions on the content of the article.

Keywords: Angiotensin-converting enzyme-2, COVID-19, Mental health, Physical activity

Core Tip: During the coronavirus disease 2019, physical activity declined. There are many reasons behind this phenomenon. And the surveys in the article don’t attach survey area. Additionally, the mutually affected relationship between physical activity and mental health is not clearly elaborated. The above are the areas that need to be improved in the article, and we also put forward some suggestions for improvement.