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.
Sean Guinan, LAc, EAMP
Sean Guinan, LAc, EAMP, is an adult and pediatric acupuncturist. He is the former director of the Center for Advanced Acupuncture Pediatrics and excels in the areas of holistic pediatrics, reproductive health and environmental medicine. Previously, Sean worked as an environmental biologist where he developed a persistent awe of the human-nature connection. He is founder of Holistic Kidz, an online resource empowering parents to help their children thrive; and creator of Environmental Pediatrics Institute, an educational hub for medical professions exploring the impact of nature on children's health.