Fish Oil & Depression (2011)

This study investigated fish oil & depression. Moderate dose of Omega-3 fish oil was observed to improve mood in depressed elderly. In this small randomised controlled trial, a group of elderly people with mild to moderate depression were given either a fish oil capsule (with 300mg of the omega-3 essential fats EPA and DHA) or a placebo for six months. The researchers found that intervention with the fish oil was clinically effective.

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Tajalizadekhoob, Y., Sharifi, F., Fakhrzadeh, H., Mirarefin, M., Ghaderpanahi, M., Badamchizade, Z., & Azimipour, S. (2011). The effect of low-dose omega 3 fatty acids on the treatment of mild to moderate depression in the elderly: a double-blind, randomized, placebo-controlled study. European archives of psychiatry and clinical neuroscience261(8), 539–549.