‘Football brain’ starts early

Brain structure changes in football players may be happening right from the beginning of their career, say the US authors of a new study.

The researchers used high resolution MRI to measure the brain volumes of 75 university-age men, 25 of whom had played football with a history of concussion, 25 played football but had no concussion diagnosis and a further 25 were non-football playing healthy controls.

Compared with controls, left hemisphere hippocampal