but as i have said,,a person can be supersensitive to even the smallest amounts of ammonia,,because it so toxic to the brain,and would not show in blood tests,,some in america think its a fatty acid,,it is not,,, to have a nerve irritating agent,in differing quantities,which is dictated by how much proteine we have eaten,,explains the fluctiating symtoms and intesity,,there is only one kind of tn,,,thats tn,,,,net full of research on amonia,,,and how it disrups nerve signaling,and excites the nerves,,espicialy,the trimenal nerve in rats,,,why not us,,