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About half of all new cases of type 1 diabetes occur in older adults but often are misdiagnosed.

It's possible to get through the holiday season without gaining weight or depriving yourself, says Columbia bariatric surgeon Jayne A. Lieb, MD.

New results from a long-term epidemiologic study reveal that one of the oldest racially based diagnostic formulas in medicine is no better than a race-neutral equation.

Despite the emotional challenges, the holidays offer a chance to put work aside, catch our breath, and rejoice with loved ones, says Columbia psychologist Dr. Zachary Blumkin.