Shi Yuan, MD, a famous natural therapy expert and best-selling author. His works have sold over 100 copies, and he is a well-known health expert in Japan. 1948 was born in Nagasaki, Japan, and graduated from the Medical College of Nagasaki University. He studied cutting-edge naturopathy in Caucasus and Banna Hospital in Switzerland. 1985, he opened a sanatorium in Izu, Japan, in order to improve his health. Former Japanese Prime Minister Tsutomu Hata, Hosokawa Morihiro and other celebrities and politicians often go to Dr. Izu Ishihara sanatorium to recuperate.

His works mainly include: Fasting Revolution, 36.5℃ Determines Health, Warm Beauty Diet, Warm Beauty Diet Plan (to be published soon), Magic Ginger Black Tea Diet, etc.