Not exactly sure how they are trying to make the parallel between game ratings and addiction, but hey, whatever floats their boat. I've played plenty of Mature rated games, but I've never got addicted more than say my young nephew who got angry and cried if he had to stop playing an E for Everyone Spongebob game. You wouldn't like that kid when he is angry.

From the article:

The American Medical Association called for more research into the public health risks of video and Internet games on Wednesday but stopped short of declaring them addictive.

The AMA, which recommended a review of the current video game rating system, also said it would leave it up to the American Psychiatric Association and other experts to decide whether video game addiction should be designated a mental illness.

"While more study is needed on the addictive potential of video games, the AMA remains concerned about the behavioral, health and societal effects of video game and Internet overuse," said AMA president Dr. Ronald Davis.

The AMA also wants more study on the effectiveness of the video game ratings system, which has not been updated since 1994. Davis said research has linked exposure to media violence with increased aggressive behavior.

Read the full article over at reuters.com