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Though far from the most common form of cancer, brain cancers are uniquely difficult to treat. Columbia scientists are researching multiple new ways to attack the tumors.

Columbia neurologist William Kreisl, MD, explains the potential uses—and limitations—of a smell test in sniffing out Alzheimer's disease risk.

On average, patients see more than eight physicians before being diagnosed with a mitochondrial disease, a new CUIMC study finds.