I've been following the "MIND diet" quite diligently for several years now. I wish I could say it gave me superpowers, but it _has_ turned me into a better cook as I've strived to find new takes on salad and vegetable dishes. I'm always surprised more people have haven't heard of it, though most of it is fairly intuitive.

[1] https://www.mayoclinic.org/healthy-lifestyle/nutrition-and-h...