In a recent talk given at Dana-Farber, ABC news correspondent Dan Harris said mindfulness is the “ability to know what’s happening in your head right now without getting carried away by it.” Patricia Arcari, PhD, RN, of Dana-Farber’s Zakim Center for Integrative Therapies, descibes it as paying attention and being fully aware of what you’re doing in the present moment. Definitions aside, mindfulness and meditation have proven to be powerful tools to help people through…