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13 July 2010

Puberty linked to violent behaviour

A large study suggests that puberty can be associated with a substantial increase in violent and socially aggressive behaviour.

A large study by US and Australian researchers suggests that puberty can be associated with a substantial increase in violent and socially aggressive behaviour.

For the study, Hemphill and her colleagues examined self-reported survey data from a randomly selected group of 5th, 7th and 9th grade students in Victoria, Australia and Washington state. Roughly 1 000 students from each grade level in each location were surveyed between 2002 and 2004.

Violent behaviour was measured by looking at the students' answers to two questions: how often during the past year had the student attacked someone with the idea of seriously hurting the person, or beaten someone so badly that medical treatment was required.

 
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