A new AI tool, MouseMapper, has mapped the effects of obesity on the body at a cellular level, revealing extensive damage beyond fat tissue. Researchers from Helmholtz Munich and Ludwig Maximilian University used advanced imaging techniques to create a 3D atlas of organs and tissues in mice, showing widespread inflammation and structural changes, particularly in the nervous system. Similar changes were observed in human tissue samples, indicating potential implications for understanding obesity in humans. This platform could revolutionize disease research and drug discovery by allowing for a holistic view of diseases.