A review of more than 25 international studies suggests that in some countries, eating a lot of fish may curtail the development of depression. In the analysis, researchers combined or pooled data from similar research studies to statistically assess the strength of the evidence on the link between fish consumption and depression risk.

They discovered fish appears to reduce the risk of depression among the residents of some countries, while the linkage was not found elsewhere.

Specifically, researchers found a benefit from fish consumption in European studies. The analysis appears online in the Journal of Epidemiology & Community Health.

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