The popularity of social networks turns them into a legal method for promoting a healthy lifestyle, which benefits not only people but also different countries' governments. This research paper aimed to examine the Keep fitness app integrated into WeChat, Weibo and QQ as regards long-term improvements in health-related behaviors (physical…

The group at the highest risk of smartphone addiction is adolescents. In particular during the coronavirus disease 2019 pandemic, factors such as conducting education online, curfew and the increase in the monotonous time spent at home have led to an increase in the use of smartphones among adolescents. Therefore, this study aimed to determine the…