The world is full of people and things that can make you happy, but you have to notice them to get the full effect. Smartphones are technological marvels, but the hold they have over our limited attention is causing us to miss out on more than we realize.

Dr. Laurie Santos finds that even having a phone nearby can reduce how happy you feel. Laurie chats with Catherine Price, a science journalist, founder of ScreenLifeBalance.com and author of How to Break Up With Your Phone.