09 Jan 2024 --- An international team of researchers are unveiling the results of a comprehensive review of the impacts of fasting diets (FDs) on eating behaviors, sleep quality and overall mood. The team — hailing from Canada, Germany, Iran, Italy and Tunisia — notes that fasting as a health practice dates back to ancient times. Still, its recent popularity stems from its effects on reducing serum glucose and promoting a shift from glycolysis to ketogenesis.