University of Lausanne May 20 2025 As people age, their immune systems become less efficient, posing a challenge for cancer therapies that rely on harnessing immune cells. In a new study published in Nature Cancer , researchers from the University of Lausanne (UNIL), the Lausanne University Hospital (CHUV), the Geneva University Hospitals (HUG) and the Ecole Polytechnique Fédérale de Lausanne (EPFL), show that this age-related immune decline has a measurable impact on CAR-T cell therapy, one of