Why Your Chronic Illness Got Dramatically Worse in Perimenopause: The Hormonal Cascade Driving Gut, Mast Cell, Brain Fog, and Fatigue Symptoms in Your 40s — thesis

What the research now shows about why women in their 40s experience the emergence or sudden worsening of MCAS, histamine intolerance, SIBO, autoimmune flares, and post viral illness, and where the actual upstream lesion lives.