Valon paluu

This presentation explores biological, natural, social, and cosmic rhythms and cycles, and considers the physical and social consequences of living against them. It examines circadian, seasonal, hormonal, and environmental rhythms, humanity’s disconnection from nature, and historical perspectives on feminine and masculine roles. It also discusses the suprachiasmatic nucleus, clock genes, melatonin, testosterone variation, and the contested history of biorhythm theory.