Dementia study involving Gareth Southgate needs more ex-players to come forward

A study involving Gareth Southgate which is examining whether heading and concussion increase the risk of dementia among professional players is around 100 participants short of its ideal target, one of its leaders has said. Participants, who include England manager Southgate, are asked to perform a number of tests of cognitive function, including recalling elements from a short story and matching faces to names and jobs.