Centro Nacional de Investigaciones Oncológicas (CNIO) Apr 2 2025 Obesity is associated with an increased risk of developing breast cancer, and a greater probability for the cancer to spread to other organs – metastasize –. But the causes of this association are still not well understood. Researchers at the Spanish National Cancer Research Center (CNIO) have now provided new data by discovering that a high-fat diet activates mechanisms that facilitate metastasis. This is a study led by Héctor