Regular Fish Consumption and Age-Related Brain Gray Matter Loss – American Journal of Preventive Medicine.

Conclusions

Dietary consumption of baked or broiled fish is related to larger gray matter volumes independent of omega-3 fatty acid content. These findings suggest that a confluence of lifestyle factors influence brain health, adding to the growing body of evidence that prevention strategies for late-life brain health need to begin decades earlier.

Frozen fish sticks were a staple in my childhood diet.

I hope it helped.