The mysteries of stress and its bodily effects revive old challenges and provide us with new ones. The Björntorp Symposium, which is recorded in this volume, focused on the role of stress and the brain in the pathologic conditions of obesity and metabolic syndrome, including in their physiology, pathophysiology, socioeconomic consequences, and therapeutic interventions. Special emphasis was placed on the metabolic consequences of stress, which might contribute to the alarming increase in the prevalence of obesity and its comorbidities in recent years.

The symposium and this volume are dedicated to the memory of a distinguished physician scientist, Professor Per Björntorp, whose pioneering ideas and research have set the foundations in this important field and continue to be a source of inspiration.

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