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As rates of early-onset breast cancer rise, Katie is turning a startling diagnosis into empowerment and advocacy.

Two Columbia pediatricians explain autism spectrum disorder symptoms, the benefits of an early diagnosis, and resources available for families.

Our expert shares her insights on injuries and suggests safer ways to use fireworks—and sparklers—in your celebrations.

Rafal Tokarz, PhD, an assistant professor of epidemiology with expertise in tick-borne pathogens and diseases, shares his recommendations for protecting you, your family, and your pets from ticks.