Of all her theories, Galina Shatalova is still the most famous in Russia for her very low calorie diet. It is well known there that people who followed her system were able to get rid of many ailments and not only restore good health, but improve it to a much higher level. It is also known that the system has been under investigation in the Institute of Space and Aviation Biology, Moscow, where Dr. Shatalova was chief of the Astronauts Training Sector. Her health system was eventually adopted by the Institute and was implemented in the astronauts' training practices. Later Dr. Shatalova founded several so called Health Schools and many of her previously severely ill patients became able to physically perform in extreme environments of high altitudes, deserts, long-distance hiking, marathon, and super marathon.