Many obesity risk factors have increased during the COVID‐19 pandemic, including physical
inactivity, poor diet, stress, and poverty. The aim of this systematic review was to evaluate …

The economic crisis caused by the COVID-19 pandemic has effected the global economy,
with the main changes expected to affect human life in the future, including food …

Background The global prevalence of insufficient physical activity (PA) was reported to be
27.5% in 2016, and there were stable levels of insufficient PA worldwide between 2001 and …

Background The coronavirus disease (COVID‐19) and universal mitigation strategies have
fundamentally affected peoples' lives worldwide, particularly during the first two years of the …

Introduction This systematic review and meta-analysis aims to explore changes in sleep
quality and sleep disturbances in the general population from before to during the COVID-19 …

Background: Over the last few decades, the time children spend using electronic devices
has increased significantly. The aim of the study was to evaluate the impact of screen time …

The health benefits of physical activity have been well established. However, more than a
quarter of the adult population in the world is insufficiently active (not performing at least 150 …

Introduction: The public restrictions taken during the COVID-19 pandemic have substantially
affected lifestyle and health behavior of children and adolescents. In Germany, little is known …

During the COVID-19 pandemic, physical inactivity and being overweight increased in
children, especially those from lower socioeconomic backgrounds. Additionally, a decrease …

Importance There is a lack of comprehensive data on the association of the COVID-19
pandemic with the prevalence of physical activity in large-scale data sets. Objective To …