Glossary beginning with F

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Family risk of MS

Heredity refers to the passing of genetic traits from parents to their children. Studies in siblings and twins suggest that MS is caused by a mixture of genetic and environmental factors. There have been several genes shown to be linked with MS, but researchers believe there could be between 50 and 100 genes associated with MS.

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Fampridine

Fampridine (brand name Fampyra) is a licensed treatment for people with MS to help improve walking speed and ability. Unfortunately, it is not available on the NHS.

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Fatigue

Fatigue is one of the most common, troubling symptoms experienced by people with MS. MS fatigue is more than just the ordinary tiredness you might experience after a hard day's work or strenuous exercise. Many people with MS describe their fatigue as an overwhelming tiredness with no obvious cause.

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FES

FES (functional electrical stimulation) is a device which stimulates the muscles and nerve fibres of the ankle and foot. It can help combat ‘drop foot’ – where the muscles cannot smoothly control the foot’s actions during walking.

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Fingolimod

Fingolimod is a licensed treatment for rapidly evolving severe MS. Its brand name is Gilenya. It is taken as an oral tablet.

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Functional Electrical Stimulation

Functional electrical stimulation (FES) is a device which stimulates the muscles and nerve fibres of the ankle and foot. It can help combat ‘drop foot’ – where the muscles cannot smoothly control the foot’s actions during walking.

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Functional magnetic resonance imaging

Functional magnetic resonance imaging (fMRI) is an imaging technique that measures blood flow to the brain. It is able to detect highly active brain regions because they require an increased supply of blood.

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