Ultrasound device could aid brain cancer treatment

French scientists have carried out the first human trial of an ultrasound device that pushes drugs through the “blood-brain barrier”, potentially clearing a big obstacle to using chemotherapy on brain tumours. Clive Cookson, the FT's science editor, tells John Murray-Brown how it works. Music by David Sappa. Hosted on Acast. See acast.com/privacy for more information.