Detox and Healing, Food Sensitivities: Histamine, Oxalates, Salicylates. ~~ Sensitivities to many different foods and substances, for me, have proven to be a virtually non-existent capacity to detoxify naturally. The psych drugs destroyed the metabolism and detox capacities. I had 100s of radical hypersensitivities with foods that I no longer have at the height of the psychiatric drug withdrawal syndrome.