[[File:Hand and cookies.jpg|thumbnail|right|201px|Eating unhealthy food is a bad habit that can lead to [[obesity]].
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Obesity is positively associated with impulsiveness, lower [[self-control|self-discipline]] and [[neuroticism]].<ref>
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*[http://www.ncbi.nlm.nih.gov/pubmed/18549987 Personality traits and eating behavior in the obese: poor self-control in emotional and external eating but personality assets in restrained eating]
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*[http://www.ncbi.nlm.nih.gov/pubmed/19433123 Eating styles, self-control and obesity indicators. The moderating role of obesity status and dieting history on restrained eating]