Mast cell activation syndrome (MCAS) affects more than 15% of the U.S. population but evades most practitioners’ radar. Just five years ago, it wasn’t even on my radar, despite already having 20 years of experience as a clinician at that time. The more I dug (similar to leaky gut and post-COVID syndrome), the more I found my patients were suffering from this disorder.
Guanhu Yang, PhD
Professor Guanhu Yang is an internationally trained clinician-scientist bridging TCM and modern biomedical research. Holding an MD/PhD and U.S. postdoctoral fellowship, he serves as professor and PhD supervisor at Macau University of Science and Technology, with additional professorial appointments worldwide. His career spans China, Japan, and the United States, including leadership in acupuncture education and multidisciplinary academic mentorship. Licensed in multiple U.S. states, he specializes in complex internal medicine, diabetes, pain syndromes, reproductive health, and digestive disorders. His research integrates acupuncture, herbal medicine, multi-omics, bioinformatics, machine learning, and translational biomarker discovery. With 210+ SCI publications and substantial citations, he contributes actively to international standards and professional societies.