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In page Nancy I. Williams:

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Williams studies women's health and exercise.[1] In 1997, Williams joined the faculty at Pennsylvania State University, where she was promoted to full professor in 2009.[2] In 2012 Williams was made Head of Department of Kinesiology at the Pennsylvania State University College of Health and Human Development.[3][4] Her research includes randomized controlled trials to understand the female athlete triad. She has shown that up to 60% of women recreational athletes experience menstrual dysfunction.[citation needed] She has explored how weight loss impacts the acute-exercise induced suppression of appetite.[5] She serves on the Board of Directors of the Female and Male Athlete Triad.[6]