Thank you CDC for assigning arbitrary meaning and concern to correlations.
People who play video games tend to spend more time on the Internet -- wow, that's a surprise. Could it be that people who like technology both play video games and use the Internet? Could it be that many games utilize the Internet? Is spending more time on the Internet a problem?
Low and behold, these same people who use the Internet more also get more of their social support from the Internet. Geez, is this a problem? For decades, people all over the world have used their telephones for social support; was this also a problem? It's a communication medium, not a support group. People who use the Internet find it a useful tool for communication, so of course they socialize over it.
And go figure, people who spend time alone at the computer are less extroverted than those who don't. Well, geez, maybe that's because they are introverts! Maybe they should do a study of social clubs -- I bet they'll find people are extroverted than usual. Oh yeah, is being "less extroverted" a problem?
The lowered health status and increased BMI is an unfortunate, but obvious, result. For one, people who sit in front of a computer all day necessarily get less exercise, so they will be less healthy. Of course, people who are already unhealthy (or otherwise don't partake in a lot of exercise) will probably prefer sitting at a computer to running around the block.
There are so many unstated assumptions in their warnings. They insinuate that being introverted, socializing over the Internet, and participating in "imitation play-like activities" (which they fail to distinguish from playing games, instead sufficing to hand-wave it as being something less) are somehow less desirable. Frankly, I don't see any of these things as a problem, any more than being an ENFP is better than an ISTJ.
The fact that people who play video games spend less time exercising is potentially a problem, as inactivity does lead to health problems, but I wouldn't blame video games for that. If the people they describe actually are addicts (something they don't make clear in their study; they call them addicts, yet they only seem to distinguish those who play games from those who don't and make no mention of what determines addiction), then it's fair to say that their usage of games is inappropriate and may be at the risk of their health. On the other hand, a person who plays games can still be in perfectly good shape, as long as they eat a proper diet and exercise regularly, just like everybody else.
Once again, the CDC has taken a potentially useful set of data and tortured results from it, taking substantial leaps of logic to reach misconstrued conclusions. The results no doubt accomplished their task of verifying the researcher's preconceived beliefs and making it look like the CDC is important to society and deserves more funding.
FUD.