ammonia is well known to damage nerves,,,i never gave up on the persuit of the cause of tn,,,i find the cause i find the cure,,,and i did,,,,if you doubt me,,i can induce tn anytime,by increasing my protein in take,,and who would have thought food could cause tn,,,or technicaly speaking,,unmetabolised metabalites,hope this helps someone with tn,,,but knowing human nature,they will doubt it,,,,if you do doubt,,,deseases always have a cause,,,dont they,,,,,