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Norovirus, the most common stomach bug in the United States, makes the rounds every winter. Our expert GI doctor gives tips on how to avoid this highly contagious illness and what to do if you get it.

A Columbia cancer and nutrition epidemiologist explains how alcohol changes the body, how it impacts your risk of cancer, and how to reduce your risk.

Devices for monitoring the body’s sugar levels are now available over the counter. Our endocrinologist explains how this tool works, and who can—and cannot—benefit from using it.

The United States Food and Drug Administration (FDA) has approved two RSV vaccines for adults 60 and older. A Columbia doctor explains why this vaccine could prevent severe illness.