IMHO, Omega 3 increases GABA and Omega 6 increases Glutamate. I am going to guess that if you ever smoked pot that high THC weed makes you severely anxious?
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7714685/
Omega 3 creates an endocannibinoid that is more like CBD and CBD increases GABA release.
https://www.sciencedirect.com/science/article/abs/pii/S10436...