MONDAY, Oct. 17 (HealthDay News) -- Is TV turning our kids into fountains of four-letter words? Maybe so, says a new study that finds a link between foul-mouthed inner-city children and profanity-ridden shows and video games.

However, the research doesn't confirm that exposure to trash-talking adults directly leads to swearing among kids, nor does it explain why non-aggressive cussing might be a bad thing. And the actual size of the possible effect is unknown, although the study's lead author called it "moderate."

"As a society we've gotten pretty lax concerning profanity. We're desensitized to it," said the author, Sarah M. Coyne, an assistant professor at Brigham Young University. "This study shows that it does matter. It matters where they hear it, and parents should maybe be a little more vigilant about profanity exposure in the media."

Several studies have shown that the use of profanity has grown over time, Coyne said. Its use, she said, matters. "It can be offensive, and a lot of people will use it to hurt people. If a peer uses it toward you, there's a physiological reaction that occurs. If you look at it in those terms, it is problematic."

Coyne said she was inspired to launch the study by research that has suggested kids who watch violent TV and movies are more likely to be aggressive. It's a difficult thing to prove definitively, since it could be that kids who are more aggressive in the first place are naturally drawn to violent programs. The most reliable way to do such research would be to randomly assign some kids to watch violent programming and others to not, but that would raise ethical qualms if it were to be done over a long term.

For the study, investigators surveyed 223 adolescents (87 boys and 135 girls) in an inner-city middle school in the Midwest. Their average age was about 12.5 years. Among other things, the researchers asked them abou
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