What causes a cold sore?

Do you have a pesky sore right above your lip? Dr. Tochi Iroku-Malize tells us how to treat and prevent those unwanted breakouts in this episode of Asking for a Friend. About Northwell Health As New York State’s largest health care provider and private employer, Northwell Health’s mission is to improve the health of our communities. Our focus is on prevention, wellness, and providing the full continuum of diagnosis, treatment and after-care services to all those we serve. Visit https://www.northwell.edu/ Subscribe to Northwell Health’s YouTube http://bit.ly/2wPz7on or head to our channel    / northwellhealth1   Facebook –   / northwellhealth   Twitter -   / northwellhealth   Instagram -   / northwellhealth   LinkedIn - http://www.linkedin/northwellhealth