Kuznetsov, Yuri Fedorovich . Human Biorhythms . The topic of biorhythms has been studied for many decades, but unfortunately, most of the theoretical materials and calculation programs that can be found on the Internet have long lost their relevance. And contain errors that make the use of such software just meaningless. This book presents the history of the discovery of biorhythms, the most common errors, current methods of calculation and interpretation of the main biorhythms. The author uses quite emotional language, describes interesting experimental data that can become useful for any person and for society as a whole. The book can help to understand many social and psychological problems, improve health, avoid accidents and find a mate or build a good team. Author of . F. Kuznetsov is a full member of the International and Russian Academy of Forecasting of the Future . Biorhythmology has been practiced since 1974. Makes predictions: performances of athletes, the biological compatibility of couples and the sex of the unborn child In 2003, he was awarded the Order of Golden Pythias of the IV degree.