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Reducing levels of a hormone prevented metastasis and prolonged survival in mice with pancreatic cancer, a study from Columbia has found, which could lead to new treatments for patients.

Jessica Justman, MD, an infectious disease specialist and epidemiologist at Columbia, says vaccinated people still need to take some precautions for now.

A clinical trial to test a gene therapy for some patients with dry age-related macular degeneration—a leading cause of blindness in the United States—is underway at Columbia and NewYork-Presbyterian.

A new review of existing evidence proposes eight hallmarks of environmental exposures that chart the biological pathways through which pollutants contribute to disease.