Professor Michal Anděl explains how sucrose has influenced human history, education, and health. He argues that while sugar is not a poison, consuming too much of it leads to various serious illnesses. He believes society should seriously consider ways to regulate sugar intake. The professor notes that sugar was a rarity during the time of Charles IV, but people now consume about thirty kilograms per year. His discussion includes the links between Czech sugar refineries and Napoleon. He also looks at how sugar rations during the protectorate period related to obesity and diabetes.