Keto also helps (sometimes) with depression though: https://www.youtube.com/watch?v=q7jg6wlD6gY (The Truth About Treatment Resistant Depression: Part One (Breaking the Myth))

And it's not "just do some keto" in this case. You have to be very strict.

But there are many dosages of keto diet and you have to do it correctly.

Epilepsy keto is hard for real and takes commitment. You will never eat modern food again in your life. But better than life-long-suffering just to eat cake.