105-Year-Old Man In Italy Discovered With An Immune System Of A 25-Year Old CXCL9 Protein In Blood Determines “How Far Along A Person Is In Their Inexorable March To The Grave.” Red Wine Molecule May Produce Biologically Young Centenarians Researchers at Stanford University and the Buck Institute announce the remarkable discovery of a biological clock in human blood that can determine your “ inflammatory age” (iAge) which equates with longevity . iAge can now be used to track risk to develop chronic age-related frailty. Anticipate blood test kits to be available soon. Read more