Background Sarcopenia is defined as the loss of muscle mass and strength. Despite the
seriousness of this disease, a single diagnostic criterion has not yet been established. Few …

This systematic review and meta-analysis evaluated the extent of sleep disturbances during
the COVID-19 pandemic. Eleven databases and six preprint repositories were searched for …

Doing Meta-Analysis with R: A Hands-On Guide serves as an accessible introduction on
how meta-analyses can be conducted in R. Essential steps for meta-analysis are covered …

Internet addiction, although not recognized by the WHO or the APA, is a serious and
problematic pathology. This meta-analysis shows that the incidence of Internet addiction in …

Objective To examine the relationship between SARS-CoV-2 infection during pregnancy
and the risk for preeclampsia. Data Sources MEDLINE, Embase, POPLINE, CINAHL …

Background Managing stress and having good quality sleep are inter-related factors that are
essential for health, and both factors seem to be affected by physical activity. Although there …

The methods and results of systematic reviews should be reported in sufficient detail to allow
users to assess the trustworthiness and applicability of the review findings. The Preferred …

Mental health problems are associated with lower quality of life, increased unscheduled
care, high economic and social cost, and increased mortality. Nature-based interventions …

Background Inflammatory bowel disease (IBD) is a lifelong condition with no cure. Patients
with IBD might experience symptoms of common mental disorders such as anxiety and …

Introduction Increased age has been reported to be a factor for COVID-19 severe outcomes.
However, many studies do not consider the age dependency of comorbidities, which …