Cara, you may be interested in how Shadow's neuro and digestive ailments took a dramatic turn for the better. Getting him off all gluten and anything artificial when that petfood scare happened and onto Feline Future's Basic Instincts diet has really really helped him.

he still has peripherally poor vision, but has enough sight to chase toys across the room and wrestle his brother to the ground and we have never had another seizure or curled up and drooling episode since the diet change.

That was another bonding point for him and my son, both having serious health issues improve by eating/supplementing right