Nurses' moral courage and related factors: A systematic review.

Background: Nurses face various ethical conflicts when taking care of patients, and such conflicts require moral courage. This systematic review was conducted with the aim of investigating moral courage and its related factors among nurses.

Methods: To find related studies, the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines were followed.

Global prevalence of constipation in older adults: a systematic review and meta-analysis.

Background And Objective: Constipation is one of the most common functional disorders of the gastrointestinal tract in older adults. To date, no systematic review or previous meta-analysis has estimated the global prevalence of constipation in older adults. The prevalence of this disorder has been reported differently in different studies; therefore, this study aims to systematically review the publications and to perform a meta-analysis of the prevalence of constipation in older adults.