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Media Bombardment Is Linked To Ill Effects During Childhood

 

Washington Post Staff Writer
Tuesday, December 2, 2008; Page C07

 

In a detailed look at nearly 30 years of research on how television, music, movies and other media affect the lives of children and adolescents, a new study released today found an array of negative health effects linked to greater use.

The report found strong connections between media exposure and problems of childhood obesity and tobacco use. Nearly as strong was the link to early sexual behavior.

Researchers from the National Institutes of Health and Yale University said they were surprised that so many studies pointed in the same direction. In all, 173 research efforts, going back to 1980, were analyzed, rated and brought together in what the researchers said was the first comprehensive view of the topic. About 80 percent of the studies showed a link between a negative health outcome and media hours or content.

“We need to factor that in as we consider our social policies and as parents think about how they raise their kids,” said lead researcher Ezekiel J. Emanuel, director of the Department of Bioethics at the National Institutes of Health, which took on the project with the nonprofit organization Common Sense Media. “We tend not to think of this as a health issue, and it is a health issue.”

The average modern child spends nearly 45 hours a week with television, movies, magazines, music, the Internet, cellphones and video games, the study reported. By comparison, children spend 17 hours a week with their parents on average and 30 hours a week in school, the study said.

“Our kids are sponges, and we really need to remember they learn from their environment,” said coauthor Cary P. Gross, professor at Yale School of Medicine. He said researchers found it notable how much content mattered; it was not only the sheer number of hours of screen time. Children “pick up character traits and behaviors” from those they watch or hear, he said.

Marcella Nunez-Smith, a lead author and also a professor at the Yale School of Medicine, described the project as a “mammoth” undertaking that spanned more than 18 months.

In probing childhood obesity, for example, researchers found 73 studies over the past three decades, with 86 percent showing a negative association with media exposure. The studies most central to the analysis were large high-quality efforts and controlled for other factors.

Researchers are not interested in any sort of censorship, Nunez-Smith said, but rather an increased awareness among parents, teachers and society at large. “It really is a wake-up call,” she said.

The study did not touch on issues of violence and media, which researchers said was systematically reviewed by others. Researchers also excluded analysis of advertising or marketing. Most studies used in the analysis, as it turned out, focused on movies, music and television. Researchers said a big gap was the lack of research on the effects of the Internet, cellphones, social-networking sites and video games.

In their study, they rated as above average evidence to support the link between media exposure and drug use, alcohol use and low academic achievement. Evidence was weaker for the association with attention deficit hyperactivity disorder. “It does not mean the link is not there, but the research evidence has not gotten there yet,” Gross said.

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  1. December 4, 2008 at 4:17 pm

    I got this book off of Amazon, very interesting.

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