Read previewA vacation to Myrtle Beach last spring turned into a wake-up call for Jamie Bernardi and her family. Jamie BernardiThis is what researchers variously call the "trickle-down effect," "the ripple effect," or "the halo effect": when a person's lifestyle changes benefit their family members and close contacts who aren't under medical care. Doctors and researchers hope the trickle-down effect will help curb new cases of obesity. Taking controlThe trickle-down effect isn't just an added bonus. Just three weeks after she first jabbed her belly with Mounjaro, Bernardi bought everyone in her family generic watches to count their steps.

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Persons: —, Jamie Bernardi, Bernardi, Keeley J, Pratt, Lisa Green, Green, Mounjaro, Lisa Green Lisa, it's, she'll, " Bernardi, Sandy Huffaker Organizations: Service, Business, CDC, Human, Science, The Ohio State University, Lisa Green Lisa Green People, The Washington, Getty Images Locations: Myrtle Beach, Weirton, West Virginia