Mast Cell Activation Syndrome

Mast Cell Activation Syndrome occurs when mast cells release excessive inflammatory mediators in response to triggers such as infections, stress, mold toxins, chemicals, foods, and environmental factors. This category explores the mechanisms, symptoms, triggers, and treatment strategies associated with MCAS.

Topics include histamine intolerance, testing, diet, supplements, botanicals, stabilizers, polyphenols, gut–mast cell interactions, and the connection between MCAS and conditions like Long COVID, ME/CFS, mold toxicity, and autoimmune disease. I also cover nervous system regulation and trauma-related mast cell activation, consistent with the Hedberg Functional Systems Framework.

This category is designed to help readers understand and manage this increasingly recognized driver of chronic illness.