How exercise can fight loneliness and depression

Walking just one more minute a day can have a positive impact on your mental health. Simply moving around the house can help fight loneliness and depression, according to the new book, “The Joy of Movement: How Exercise Helps Us Find Happiness, Hope, Connection, and Courage.” The book's author, psychologist Kelly McGonigal, joins “CBS This Morning” with tips about how to add more movement to your life.

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