Discuss why are ecological models are important in understanding and modifying health behaviors (in at least 200 words)?

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Discuss why are ecological models are important in understanding and modifying health behaviors (in at least 200 words)?
NOTE: Provide at least one APA 6th Edition In-Text Citation and Reference.
APA Resource: http://nu.libguides.com/ld.php?content_id=8766101

 
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