Loneliness is a prevalent and global problem for adult populations, and a number of
different studies have linked it to multiple chronic conditions, including: heart disease, lung …

Objectives We reviewed the existing definitions of psychological frailty and provided a
comprehensive overview of the concept and associated measurements. Study Design and …

Background Previous studies suggest that poor sleep quality or abnormal sleep duration
may be associated with frailty. Here we test the associations of sleep disturbances with both …

This review was informed by clinical experience, best practice guidelines and literature
review. We searched PubMed using combinations of the following terms:“frail …

Introduction Different concepts of frailty have resulted in different assessment tools covering
distinct dimensions. Despite the growing recognition that there is an association between …

Background Few empirical studies support a bio-psycho-social conceptualization of frailty. In
addition to physical frailty (PF), we explored mental (MF) and social (SF) frailty and studied …

The purpose of this qualitative systematic review was to examine how frailty was
conceptually and operationally defined for participant inclusion in qualitative research …

Objective To explore the association between both self-reported quality and quantity sleep
characteristics and frailty status in a large non–sex-specific population of older individuals in …

Nocturia is a bothersome, multifactorial condition with many underlying causes and
contributing factors. Nocturnal polyuria (NP; overproduction of urine at night) is a frequent …

Background The aging of global population has increased the scientific interest in the
concept of healthy aging and its determinants. Aim: The aim of this study was to investigate …