This episode features Leo Galland, MD, who outlines a systems biology approach to understanding and treating post-COVID syndrome. Dr. Galland created the graphic below to model factors and biological repercussions of long COVID. In the interview, Dr. Galland walks us through each element in the web of long COVID. During the pandemic, he also created and published two hour-long videos—one for patients and one for providers—containing research and recommendations on addressing long COVID. The information he shares is intended to empower and educate both health care providers and patients. Download and listen to this episode to learn more about: The deficiency that both contributes to and results from long COVID Key information about what causes long covid How to prevent severe infection and address symptoms Downstream effects of viral damage that should be addressed by functional medicine providers   Episode assets: Understanding Long Covid: a comprehensive presentation for health professionals ACE2 in Immune Resilience, Presentation to American Nutrition Association Healing Long Covid, video presentation for patients