John Colton's blog

http://news.bbc.co.uk/1/hi/health/7813637.stm

Playing the computer puzzle game Tetris can help reduce the effects of traumatic stress, UK researchers say.

Volunteers were exposed to distressing images, with some given the game to play 30 minutes later, the PLoS One journal reported.

Players had fewer "flashbacks", perhaps because it helped disrupt the laying down of memories, said the scientists.

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I'm not sure what that means about my grades my freshman year of college... ;-)