These nuts are rich in omega-3 fats and contain higher amounts of antioxidants than most other foods. Eating walnuts may improve brain health and prevent heart disease and cancer .
Walnuts are also richer than most other nuts in polyunsaturated fats. The most abundant one is an omega-6 fatty acid called linoleic acid.
They also contain a relatively high percentage of the healthy omega-3 fat alpha-linolenic acid (ALA). This makes up around 8–14% of the total fat content