Higher fish consumption beneficial for primary prevention of depression

"Higher fish consumption may be beneficial in the primary prevention of depression" the authors write. "Future studies are needed to further investigate whether this association varies according to the type of fish."
Depression affects an estimated 350 million people worldwide, making it the world's leading cause of disability. As things stand, it is also projected to become the world's second leading cause of disease burden by 2020.

Unfortunately, current forms of treatment for the condition are considered to be unsatisfactory on account of poor compliance rates and numerous potential side effects. Consequently, many researchers are interested in assessing lifestyle factors that could influence the risk of depression.
One such lifestyle factor is diet. Many previous studies have indicated that food consumption may be related to the risk of depression. One recent meta-analysis found that following a healthy diet was associated with a reduced risk of the disorder, the authors note, although this could not separate the influence of different dietary components, such as fruit, vegetables or fish.
Over the past year, Medical News Today has reported on a number of studies that have found health benefits for fish consumption. Last month, a study revealed that the omega-3 fatty acids found in fish oil could reduce the risk of psychosis. In February, another study suggested that collagen from tilapia fish could help wounds heal faster. 
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