The twists and turns of this pandemic have left many of us uncertain of what to expect in the year ahead. But did you know that simply changing your expectations can have a tangible effect on your wellbeing? CNN's Chief Medical Correspondent Dr. Sanjay Gupta talks to science writer David Robson about the ways our expectations can impact our lives, for better or for worse. Plus, concrete tips for how we can use the scientific phenomenon of the “expectation effect” to sleep better, eat healthier, and live longer.  To learn more about how CNN protects listener privacy, visit cnn.com/privacy