Is Omega-3 good for your brain? New study raises doubts over benefits of supplement (opens original article in a new tab)

A study suggests omega-3 supplements may be linked to faster cognitive decline in older adults, though causation remains unproven. Researchers observed lower brain glucose metabolism in users, but the study was observational and cannot establish direct cause-effect relationships. The findings highlight complexities in supplement research and the need for further investigation.

• A study found omega-3 supplements associated with faster cognitive decline in older adults
• Researchers noted lower glucose metabolism in brain regions of supplement users
• Study cannot prove supplements caused cognitive decline, only association