Obesity is possibly the most important non communicable disease of the 21st century. It has emerged from one of the “nutritional disorders” and has been suggested by the European Association for the Study of Obesity (EASO) to be considered as a distinct entity in the International Classification of Diseases [ [1] Hebebrand J Holm JC Woodward E Baker JL Blaak E Durrer Schutz D Farpour-Lambert NJ Frühbeck G Halford JGC Lissner L Micic D Mullerova D Roman G Schindler K Toplak H Visscher TLS Yumuk V A proposal of the european association for the study of obesity to improve the ICD-11 diagnostic criteria for obesity based on the three dimensions etiology, degree of adiposity and health risk.

Obes Facts. 2017; 10: 284-307

] with major clinical and scientific consequences [ [2] Frühbeck G Busetto L Dicker D Yumuk V Goossens GH Hebebrand J Halford JGC Farpour-Lambert NJ Blaak EE Woodward E Toplak H. The ABCD of obesity: an EASO position statement on a diagnostic term with clinical and scientific implications.

Obes Facts. 2019; 12: 131-136

]. In the current issue three important topics – sweet taste, sleep disturbances and microbiota transplantation are extensively discussed.