The authors surveyed 1,145 residents recruited from 120 neighborhoods in Portland, Oregon. They examined neighborhood built environment characteristics (fast-food restaurant density, walkability) and individual eating-out and physical activity behaviors in relation to 1-year change in body weight among adults 50–75 years of age at baseline. Findings point to the negative influences of the availability of neighborhood fast-food outlets and individual unhealthy eating behaviors that jointly affect weight gain; however, better neighborhood walkability and increased levels of physical activity are likely to be associated with maintaining a healthy weight over time. See also: http://www.sciencedaily.com/releases/2009/03/090303161431.htm

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