A specially designed smartphone game can detect people at the risk of developing Alzheimer's say researchers. The game called Sea Hero Quest downloaded and played by over 4.3 million people worldwide helped researchers from the University of East Anglia (UEA) better understand dementia by seeing how the brain works in relation to spatial navigation. The game has been developed by Deutsche Telekom in partnership with Alzheimer's Research UK University College London (UCL) and the University of East Anglia. Dementia will affect 135 million people worldwide by 2050. We need to identify people to reduce their risk of developing dementia said