Are fish oils an effective therapy in mental illness: an analysis of the data

Research output: Contribution to journalArticle

Abstract

Objective: To review the literature regarding the use of fish oils in the treatment of psychiatric illness.

Method: A Medline search was conducted in September 1999.

Results: Five papers have investigated omega-3 fatty acids levels in depression. One study used omega-3 fatty acids as an adjunctive therapy in bipolar disorder. Four studies used fatty acids as an adjunctive therapy in schizophrenia.

Conclusion: There is a great deal of current research in this field. While omega-3 fatty acids levels may be lowered in depression, there are no data suggesting that omega-3 fatty acids are effective. One paper indicates that omega-3 fatty acids are effective in bipolar disorders. The data on schizophrenia are conflicting. Omega-3 and omega-6 fatty acids have proved effective. Most of the evidence suggests that the main effect is an improvement in negative symptoms. One recent study showed that omega-3 fatty acids had no effect on negative symptoms.
Original languageEnglish
Pages (from-to)3-11
Number of pages9
JournalActa Psychiatrica Scandinavica
Volume102
Issue number1
DOIs
Publication statusPublished - Jul 2000

Keywords

  • Bipolar Disorder
  • Depression
  • Fatty Acids, Omega-3
  • Fish Oils
  • Humans
  • Mental Disorders
  • Schizophrenia
  • Treatment Outcome

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