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Am J Psychiatry. 2004 Mar;161(3):567-9.

Is low dietary intake of omega-3 fatty acids associated with depression?

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  • 1Department of Mental Health and Alcohol Research, National Public Health Institute, Helsinki, Finland.



This study examined the association between the dietary intake of omega-3 fatty acids and low mood, major depression, and suicide.


A total of 29,133 men ages 50 to 69 years participated in a population-based trial in Finland. The intake of fatty acids and fish consumption were calculated from a diet history questionnaire. Self-reported depressed mood was recorded three times annually, data on hospital treatments due to a major depressive disorder were derived from the National Hospital Discharge Register, and suicides were identified from death certificates.


There were no associations between the dietary intake of omega-3 fatty acids or fish consumption and depressed mood, major depressive episodes, or suicide.


Dietary intake of omega-3 fatty acids showed no association with low mood level.

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