It sounds like you have chronic inflammation of the brain, which increases with detoxification and probably any process that may increase inflammation -https://www.candidaplan.com/1036/leaky-brain-or-blood-brain-barrier-hyperpermeability-syndrome/
I would suggest taking Terramin clay at 1 teaspoon, 5 to 6 times a day to start binding toxins.
A product like LGS by Priority One might also help.
How do you do with sulfur foods like onion and garlic?