KTH, Royal Institute of Technology Oct 9 2025 A new study has mapped the distinct molecular "fingerprints" that 59 diseases leave in an individual's blood protein – which would enable blood tests to discern troubling signs from those that are more common. Publishing today in Science , an international team of researchers mapped how thousands of proteins in human blood shift as a result of aging and serious diseases, such as cancer and cardiovascular and autoimmune diseases. The Human Disease