Petra Blum, MD, is a family doctor and naturopathic doctor, who completed her studies at the Universities of Münster and München (Germany). Afterwards, she worked as a medical doctor at a clinic for holistic medicine with focus on F.X. Mayr health cure. From 1986-2020, she carried out her activity in her own private practice for holistic medicine in Tegernsee (Germany), focussing mainly on regulatory medicine, naturopathy and micro-immunotherapy. Dr. Blum is a medical lecturer, book author and writer of several publications in the field of complementary medicine. She is also a medical trainer and hotline counsellor of the Medical Society of Micro-Immunotherapy (MeGeMIT).