The research was published in the Journal of Neurology and Neurosurgery and Psychiatry.

BBC: writing

The new study is published in the Journal of Neurology, Neurosurgery and Psychiatry.

BBC: Brain scan of MS patient

The research is published in the Journal of Neurology, Neurosurgery and Psychiatry.

BBC: Hardened arteries 'cause depression'

Doctors at the neurology department at Lariboisiere Hospital in Paris, writing in the Journal of Neurology, Neurosurgery and Psychiatry, said it was a unique case.

BBC: 'Energy pills' linked to stroke