What harm hs violence done?
Songs with violent lyrics increase aggressive thoughts and emotions, suggests a study in US college students.
The study contradicts a popular suggestion that music loaded with violent imagery, such as some rap and heavy metal, are cathartic in venting
Craig Anderson at Iowa State University and colleagues found that students who listened to songs with violent lyrics were more likely to make
aggressive associations in subsequent psychological tests.
Watching just one hour of television a day can make a person more violent towards others, according to a 25-year study. In some circumstances, TV
watching increases the risk of violence by five times. The new research indicates the effect is seen not just in children, as has been suggested
before, but in adults as well.
Watch an hour of prime time TV, and you will probably witness three to five violent acts. Children's programming has even more violence, says Jeffrey
Johnson, at Columbia University in New York. "Sports, news, commercials - it's everywhere," he says.
Johnson followed up over 700 families in New York state between 1975 and 2000. He found the link between aggression and TV watching was strongest for
males during adolescence and for females, during early adulthood.
The associations held true even after accounting for known risk factors for aggressive behaviour. These factors included childhood neglect, growing up
in a dangerous neighbourhood, low family income, low parental education and psychiatric problems. However, the type of the TV programmes watched was