THE SEASONAL INCIDENCE OF ONSET AND EXACERBATIONS IN MULTIPLE SCLEROSIS

The seasonal incidence of onset and exacerbations in multiple sclerosis.

That the disease is significantly more common in the northern part of the northern hemisphere is one of the few epidemiological observations about multiple sclerosis which can be regarded as reasonably well established. The cause for this increased incidence in colder climates remains entirely obscure: an increased prevalence of upper respiratory infections or of vasospastic disorders under suc...

A Study of the Seasonal Incidence of Multiple Sclerosis Attacks in Kerman, Iran

Background & Aims: Multiple sclerosis (MS) is a chronic disease of the nervous system, the cause of which remains unknown. Its prevalence rate has been estimated at 2.5 million individuals across the globe, and 31.5 individuals per 100,000 in Kerman province, Iran. Although different studies have reported disparate results, there are many authentic reports claiming that seasonal changes affect ...

Seasonal variation of multiple sclerosis exacerbations in Arizona.

We studied 178 MS patients and 82 controls for 5 years. A monthly pattern in in the frequency of exacerbations in Arizona differed from the patterns seen in other regions of the world. Exacerbations were most common in warmer months. No explanation for this was found. In this prospective study, the frequency of viral infections in the MS patients was lower than in the controls.

Prevalence and Incidence of Multiple Sclerosis (MS) in Guilan Province

Introduction: The aim of this study was to investigate the prevalence and incidence of multiple sclerosis (MS) in Guilan Province) and to compare the standardized prevalence by the factor of age in this province. Methods: The study was a cross-sectional design that was conducted in 2018 at the Guilan MS Society (GMSS) on people with multiple sclerosis and examined the 654 people with multiple ...

Month of Birth and the Incidence of Multiple Sclerosis in Southern Iran