Microsoft seems to thinks so, so they set up a new institute to study it. From ItProPortal.com:
Microsoft Corp. has come up with a new learning institute in a bid to help researchers to comprehend the constructive influence of video games on gamers. continue reading...
from Kotaku.com:
A Taiwanese study - backed by British researchers - has found that playing too many video games can (can) contribute to a a rise in stress levels and feelings of anxiety in “young people”. continue reading...
A new pilot program by AllState Insurance is checking to see if there is a correlation between playing computer games and lack of car accidents. The study will see drivers aged 50-75 play specially designed games with the thesis that age-related cognitive decline can be reversed, and driving improved. Read more… continue reading...