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A knocked-out permanent tooth is a dental emergency—act within an hour. Learn what to do after a chip, loose tooth, or tooth loss from a dental expert.

Contrast enhanced mammography (CEM) can find 7–24 more cancers per 1,000 women than standard mammograms—learn who may benefit and how it works.

Measles infects the lungs, brain, and immune system. A Columbia infectious disease specialist explains symptoms, complications, and why vaccination is critical.

A Columbia dietitian shares her real-world approach to packing balanced, stress-free school lunches—with a sample weekly menu and simple formula.