https://www.hiroshima-u.ac.jp/en/news/60017Pregnant mice fed a diet high in omega-6 fats and low in omega-3 fats produce offspring that go on to exhibit “hedonic”—pleasurable but excessive—levels of consumption of hyper-caloric diets, according to researchers at Hiroshima University.
Well we're all fucked because our mothers were eating the "processed foods" full of n-6 pushed by the food industry when we were kids.
Fwiw, I'm a huge proponent of the theory that n-6 oils are the largest cause of metabolic disorders. Either directly or through indirect mechanisms like this.
From Erdosi's twitter but Tucker Goodrich has lots of info about n-6 oils.