Do you really need to take 10,000 steps a day? | Shannon Odell

For years, Jean Béliveau walked from country to country, with the goal of circumnavigating the globe on foot. While few people have the time or desire to walk such extreme lengths, research shows that adding even a modest amount of walking to your daily routine can dramatically improve your health. So, what exactly happens to your body when you increase your step count? Shannon Odell investigates. [Directed by Avi Ofer, narrated by Susan Zimmerman, music by Cem Misirlioglu].