Fish oil for elderly may delay dementia and depression

Researchers from the Brain and Mind Research Institute (BMRI) at the university are currently trialling the effectiveness of omega-3 supplements in halting the degeneration of brain matter in older people as a way of preventing the onset of depression and dementia in later life.

The study draws on the Beyond Ageing cohort, a group of older people with depressive symptoms who regularly undergo MRI. 

The first group of 60 older adults at risk of depression were randomised to receive either omega-3 supplementation or placebo for 12 weeks. 

An additional group was assigned to receive the antidepressant sertraline, but the results are not yet available.
Participants underwent MRI imaging and medical and neuropsychological assessments at the start of the trial, and again after 12 weeks of taking the supplements. 

The preliminary results showed that participants taking the placebo showed more significant changes to the