What Are Fish Oil Supplements Good For? Here’s Your Crash Course
A large-scale clinical trial has shown that even long-term consumption of DHA—an omega-3 fatty acid found in abundance in oily fish—may not lead to improvements in cognitive function.
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Ritsuko KawaiScienceJul 5, 2026 6:00 AMFish Oil Supplements May Not Help Stave Off Dementia After AllA large-scale clinical trial has shown that even long-term consumption of DHA—an omega-3 fatty acid found in abundance in oily fish—may not lead to improvements in cognitive function.Photograph: batuhan toker/Getty ImagesCommentLoaderSave StorySave this storyCommentLoaderSave StorySave this storyDocosahexaenoic acid (DHA), an omega-3 fatty acid found in abundance in oily fish such as mackerel and sardines, is thought to improve cognitive function by supporting connections between brain cells.
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Excerpt limited to ~120 words for fair-use compliance. The full article is at WIRED.