The impact of omega-3 deficiency on cognitive function in humans between ages 6 and 60 is difficult to ascertain, with small studies showing discrepant results regarding subtle cognitive impairments, anxiety, mood disorders, or depression.

“what happens between the ages of 6 and 60 is quite elusive meaning that what happens to a population that is 35 that is completely not consuming any omega-3s are they in any diseased states and i can't point out a single large study that can say yes all what i can point out to is a myriad of small studies which show discrepant results some studies suggest there are subtle cognitive impairments other studies suggest anxiety disorders mood disorders depression but other studies don't find these associations”