Huntington's disease successfully treated for first time | BBC News

Huntington's disease has been successfully treated for the first time, say doctors.

The disease runs through families, relentlessly kills brain cells and resembles a combination of dementia, Parkinson's and motor neurone disease.

The new treatment is a type of gene therapy given during 12 to 18 hours of delicate brain surgery.

An emotional research team became tearful as they described how data shows the disease was slowed by 75% in patients.

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