Objective To assess the sex difference in the prevalence of COVID-19 confirmed cases.
Design Systematic review and meta-analysis. Setting PubMed, Cochrane Library and …

The systematic study of multiple sclerosis (MS) in populations, started in 1929 by Sydney
Allison, now consists of over 400 publications dealing with the prevalence of MS throughout …

Objective: Health-related quality of life (HRQOL) is often much reduced among individuals
with multiple sclerosis (MS), and incidences of depression, fatigue, and anxiety are high. We …

A debate has arisen regarding the validity of racial/ethnic categories for biomedical and
genetic research. Some claim'no biological basis for race'while others advocate a'race …

An underlying complex genetic susceptibility exists in multiple sclerosis (MS), and an
association with the HLA-DRB1* 1501-DQB1* 0602 haplotype has been repeatedly …

Background Chronic pain is common and significantly impacts on the lives of persons with
multiple sclerosis (pwMS). Various types of non‐pharmacological interventions are widely …

Background: The prevalence of multiple sclerosis (MS) shows considerable variability all
over the world. According to Kurtzke, Iran is considered to have a low prevalence. Objective …

Background: Epidemiological and ecological studies suggest links between vitamin D
deficiency and increased multiple sclerosis (MS) prevalence. Objective: To evaluate the …

Background: Studies on the prevalence of multiple sclerosis have been carried out
worldwide, showing a heterogeneous distribution between countries and even between the …

Large‐scale genetic studies of multiple sclerosis have identified over 230 risk effects across
the human genome, making it a prototypical common disease with complex genetic …