The golden age of exercise

Americans are flocking to gyms and fitness classes. It wasn't always that way. This episode was produced by Hady Mawajdeh, edited by Miranda Kennedy with help from Naureen Khan, fact-checked by Melissa Hirsch, engineered by Andrea Kristinsdottir and hosted by Jonquilyn Hill. Photo of an outdoor group fitness class by ANDREW CABALLERO-REYNOLDS/AFP via Getty Images. If you have a question, give us a call on 1-800-618-8545 or send us a note here. Listen to Explain It to Me ad-free by becoming a Vox Member: vox.com/members.  Learn more about your ad choices. Visit podcastchoices.com/adchoices