Jillian Michaels is 45 but has a set of abs that look about 20 years younger.
Here's how the age-defying trainer gets her incredible core and spoiler alert: it involves reconsidering one component of your diet.
Lauren WilliamsonLauren Williamson is the Digital Content Manager for Women's Health and Men's Health. She's an experienced journalist, editor and social media fiend who's well versed in reporting on everything from food trends to fitness, health news to haircare. She has a double degree in Journalism and Political Science.