Obesity increases the risk of numerous secondary diseases such as type 2 diabetes, high blood pressure and mental illness. Prof. Dr. Kerstin Stemmer, Professor of Molecular Cell Biology at the Department of Biochemistry and Molecular Biology at the University of Augsburg, explains the role of genetics in weight loss and the effect of GLP-1 weight loss medication . She is researching the extent to which fat cells can communicate directly with the pancreas in order to stimulate insulin production.