A sample of individuals (age >55) in Singapore were studied to explore the link between fish consumption and depression. Individuals consuming fish three times per week were observed to report lower depressive symptoms, compared with those who did not consume fish.
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Wu D., Feng L., Gao Q., Li J.L., Rajendran K.S., Wong J.C., Kua E.H., Ng T.P. Association between fish intake and depressive symptoms among community-living older Chinese adults in Singapore: A cross-sectional study. J. Nutr. Health Aging. 2016;20:404–407.