A Diet With Docosahexaenoic and Arachidonic Acids as the Sole Source of Polyunsaturated Fatty Acids Is Sufficient to Support Visual, Cognitive, Motor, and Social Development in Mice - LA isn’t a required/essential fatty acid! User Meatrition, in the StopEatingSeedOils - High Omega-6 PUFAs aka "Linoleic Acid" subreddit, 18 Nov 2022