Recognizing that epilepsy has varying causes, some epilepsy is driven by gluten intolerance or celiac disease.  There are some resources about this on http://www.celiac.com.

My cousin suffered a grand mal seizure once a month until she removed gluten from her diet more than seven years ago. Since then, she hasn't had a single one and has given birth to 3 children, (a girl and a set of girl-girl twins).  She has to be 100% on the diet or she gets the "prodromes," what she calls "eye flickers" which indicate that she might be about to have a seizure.  In seven years she has had some eye flickers when cheating on the diet, but never a seizure.  Look into it.

Best of luck,

Alix

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