Ding Biorhythm Charts

Theory of Biorhythm:In early 20th century, Germany physician Wilhelm Fliess and Austrian psychologist Hermann Swoboda found human being Biorhythm cycles that emotion has a cycle of 28-days and physical has a cycle of 23-days.After twenty years, Austrian professor Alfred Teltseher found that human being intelligence has a cycle of 33-days after studying hundreds of students

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