Aim: There currently does not exist guidance for authors aiming to undertake systematic
reviews of observational epidemiological studies, such as those reporting prevalence and …

Background: Recently there has been a significant increase in the number of systematic
reviews addressing questions of prevalence. Key features of a systematic review include the …

Although amyotrophic lateral sclerosis (ALS) is relatively rare, the socioeconomic
significance of the disease is extensive. It is therefore vital to project the epidemiologic trend …

Background By 2050, it has been estimated that approximately one-fifth of the population
will be made up of older adults (aged≥ 60 years). Old age often comes with cognitive …

Dementia is receiving increasing attention from governments and politicians.
Epidemiological research based on western European populations done 20 years ago …

Study Objectives: To investigate the prevalence of binge viewing, its association with sleep
and examine arousal as an underlying mechanism of this association. Methods: Four …

Currently there is uncertainty concerning the prevalence of Hoarding Disorder (HD) due to
methodological issues in the evidence base. Estimates have widely ranged from between …

Background context The relationships between obesity and low back pain (LBP) and lumbar
disc degeneration (LDD) remain unclear. It is possible that familial factors, including …

Context Epidemiology is a discipline which has evolved with the changes taking place in
society and the emergence of new diseases and new discipline related to epidemiology …

Background Despite an increasing number of publications from individual countries and
regions, there is still no systematic review of the global epidemiology of anaphylaxis in the …