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Aging vocal folds produce a weak, tired-sounding voice, but exercises can reverse some of the effects, says Columbia otolaryngologist Michael Pitman, MD.

Columbia researchers are using cryo-electron microscopy to examine the tau proteins that pile up in the brains of people with Alzheimer's and gain new insights into how tau drives disease progression.

Speed cameras rank among the most cost-effective social policies, saving both money and lives, according to research conducted at Columbia's Mailman School of Public Health.