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Are You Ever Too Old to Make a New Year's Resolution? A Columbia expert says that New Year's resolutions can actually help improve mental health, especially for older adults.

Who better to ask for tips on avoiding illness than a bunch of doctors? We talked to a range of Columbia specialists to hear their habits and routines for staying healthy through the holidays.

If you have hair, you probably spent some time thinking about it today. But there’s more to hair than how it looks. A Columbia expert explains what makes hair healthy and how to keep it that way.

Food can be contaminated with bacteria, chemicals, parasites, poison, and viruses. Columbia's Tiffany Sanchez, PhD, answers common questions about food contamination and how to stay safe.