Don't let your children watch TV, I told ya

Meta-analysis shows that the statistical correlation between exposure to media violence and aggression is not quite as strong as that linking smoking to an increased risk of lung cancer. It is, however, double the strength of the correlation between passive smoking and lung cancer, twice as strong as the link between condom use and reduction in risk of catching HIV, about three times the strength of the idea that calcium increases bone strength, and more than three times as strong as the correlation between time spent doing homework and academic achievement.

- "In denial", Editorial 21 April 2007 New Scientist