For more information on B6 toxicity and histamine, please review the following articles:
The Intriguing Role of Histamine in Exercise Responses
Postexercise hypotension and sustained postexercise vasodilatation: what happens after we exercise?
Impact of mold on mast cell-cytokine immune response
Apple polyphenols suppress histamine release
Histamine Enhances Bladder Afferent Sensitivity to Bladder Distension
Cells involved in allergies also play a key role in survival
Caffeine promotes glutamate and histamine release in the posterior hypothalamus
Targeting Histamine Receptors in Irritable Bowel Syndrome: A Critical Appraisal
Also see: Allergies and Environmental Mold