McMaster University Jul 3 2025 Researchers at McMaster University, Cleveland Clinic and Case Comprehensive Cancer Center have uncovered how a protein long associated with Alzheimer's disease helps lung cancer spread to the brain – a discovery that offers hope that existing Alzheimer's drugs could be repurposed in preventing cancer's spread. The study, published in Science Translational Medicine on July 2, 2025, details how the protein (BACE1) is instrumental in the development of brain