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Multiple sclerosis - a review
R Dobson1,2, G Giovannoni2,3
1Preventive Neurology Unit, Wolfson Institute of Preventive Medicine, London, UK.
Abstract:
Multiple sclerosis (MS) is the commonest non-traumatic disabling disease to affect young adults. The incidence of MS is increasing worldwide, together with the socioeconomic impact of the disease. The underlying cause of MS and mechanisms behind this increase remain opaque, although complex gene-environment interactions almost certainly play a significant role. The epidemiology of MS indicates that low serum levels of vitamin D, smoking, childhood obesity and infection with the Epstein-Barr virus are likely to play a role in disease development. Changes in diagnostic methods and criteria mean that people with MS can be diagnosed increasingly early in their disease trajectory. Alongside this, treatments for MS have increased exponentially in number, efficacy and risk. There is now the possibility of a diagnosis of 'pre-symptomatic MS' being made; as a result potentially preventive strategies could be studied. In this comprehensive review, MS epidemiology, potential aetiological factors and pathology are discussed, before moving on to clinical aspects of MS diagnosis and management.
Insights
Multiple sclerosis (MS) is a growing global health concern. Research suggests gene-environment interactions, including vitamin D levels and Epstein-Barr virus, contribute to MS development and increasing incidence.
Area of Science:
- Neurology
- Epidemiology
- Immunology
Background:
- Multiple sclerosis (MS) is the leading non-traumatic disabling disease in young adults.
- Global incidence of MS is rising, posing significant socioeconomic challenges.
- The exact causes of MS and its increasing prevalence are unclear, but likely involve complex gene-environment interactions.
Purpose of the Study:
- To review the epidemiology of multiple sclerosis.
- To discuss potential etiological factors and pathology.
- To cover clinical aspects of MS diagnosis and management.
Main Methods:
- Comprehensive literature review.
- Analysis of epidemiological data.
- Discussion of etiological factors and clinical management.
Main Results:
- Epidemiological studies suggest links between MS and low vitamin D, smoking, childhood obesity, and Epstein-Barr virus infection.
- Advancements in diagnostics allow for earlier MS detection, including pre-symptomatic stages.
- Treatment options for MS have expanded significantly in number, efficacy, and risk profile.
Conclusions:
- Understanding MS epidemiology and risk factors is crucial for developing preventive strategies.
- Early diagnosis and evolving treatment landscapes are transforming MS care.
- Further research into gene-environment interactions is needed to elucidate MS pathogenesis.
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