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The diminished power of the immune system in older adults is usually blamed on the aging process. A new study shows that decades of inhaled particulates due to air pollution also take a toll.

Initial reports of the bivalent booster’s effectiveness have created confusion among the public. David Ho discusses his own results, the bottom line, and what to expect from COVID this winter.

Jan Hilgeman is one of the rare long-term survivors of pancreatic cancer, and Columbia researchers are now studying her cells in hopes of developing a potential treatment for others with the disease.

Columbia University's new DDS/PhD dual degree program will help meet the growing demand for dental scientists.