Preventing Nightmares and PTSD Flashbacks with Tetris

A new study in the online journal PLoS ONE shows that playing the computer game Tetris can reduce unwanted “flashbacks.”This is promising for people who suffer from post-traumatic stress disorder (PTSD). Could it also help other people who suffer from nightmares?The study involved 40 people who watched a traumatic, 12-minute film. It contained scenes of real injury and death.After a 30-minute