Browsing Institutt for allmenn- og samfunnsmedisin by Author "Heyerdahl, Sonja"
Now showing items 1-2 of 2
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Lien, Lars; Tambs, Kristian; Oppedal, Brit; Heyerdahl, Sonja; Bjertness, Espen (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2005)Background Several studies have shown that children who are relatively young within a school year are at greater risk for poorer school performance compared with their older peers. One study also reported ...
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Sagatun, Aase; Søgaard, Anne J; Bjertness, Espen; Selmer, Randi; Heyerdahl, Sonja (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2007)Background Mental health problems are a worldwide public health burden. The literature concerning the mental health benefits from physical activity among adults has grown. Adolescents are less studied, and ...