One of advantages of functional medicine is its emphasis in advances in scientific technology - especially labs. My three favorite labs...

Last blog entry focused on commonalities between integrative medicine and functional medicine. A good integrative medicine and...

By Yoon Hang Kim MD MPH updated 12/31/2025 About Dr. Kim Dr. Yoon Hang "John" Kim is a board-certified integrative medicine physician with over 20 years of clinical experience. He completed his integrative medicine fellowship at the University of Arizona under Dr. Andrew Weil and holds certifications in preventive medicine, medical acupuncture, and integrative/holistic medicine. Through his telemedicine practice, Dr. Kim specializes in utilizing LDN or Low Dose Naltrexone for