Histamine Intolerance and MCAS: What Testing Can and Cannot Tell You
A mast cell activation syndrome test and a histamine intolerance test have real limits. What DAO, histamine, and tryptase testing can and cannot tell you.
Mast Cells and Cytokines: The Inflammatory Signaling Picture
Mast cells cytokines work both ways: mast cells release TNF and IL-6 and respond to them. What a broad inflammation panel can and cannot measure.
MCAS Testing: What the Standard Workup Covers and What It Misses
An MCAS test is not one blood result. What serum tryptase and urinary mediators cover, why they miss flares, and what inflammation data adds as context.
MCAS Symptoms: Why They Overlap With Long COVID and ME/CFS
MCAS symptoms are multi-system and episodic, overlapping closely with long COVID and ME/CFS. Why the conditions share biology and often coexist.
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