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.
Hyungsuk Choi, PhD, KMD, LAc
Dr. Hyungsuk Choi has studied traditional Korean medicine at the renowned Kyung Hee University. He received his PhD in integrative medicine from Cha University. Dr. Choi has numerous publications in peer-reviewed medical journals and continues to work as a university researcher in the South Korean public health care sector.