download the appSign up to get the inside scoop on today’s biggest stories in markets, tech, and business — delivered daily. Flowers told Business Insider that life has been tough: she was in difficult relationships and has struggled with eating disorders. "That's when I realized I had to turn things around and change, because I was destroying my body," she said. At the age of 58, she started exercising at home, following bodyweight programs on fitness DVDs. AdvertisementFlowers shared four things she's learned about getting fit at any age.

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Persons: —, Marlene Flowers, Flowers, Marlene Flowers Flowers, Rachel Hosie, Jamie Wright, Kristin Haraldsdottir, Daniel Lieberman Organizations: Service, Business, Harvard