Biogen is discontinuing development of an experimental therapy for a rare brain disease after the treatment failed a mid-stage trial, the latest setback in attempts to develop a medicine for the disorder.

A study of more than a thousand former professional soccer players has uncovered significantly more deaths from brain disease than among non-players.

French researchers are developing what they say is the most powerful Magnetic Resonance Imaging (MRI) scanner in the world, which will use a supermagnet the weight of a blue whale and should allow earlier diagnosis of diseases such as Parkinson’s.