This Annals volume presents a series of short reviews stemming from the 2012 3^rd International Conference on Nutrition and Physical Activity (NAPA) in Aging, Obesity, and Cancer.  The papers focus on advances in, and future directions for, physical and nutritional bio-modulation and prevention of aging, obesity, and cancer.

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Young-Joon Surh is the editor of Nutrition and Physical Activity in Aging, Obesity, and Cancer: The Third International Conference, Volume 1271, published by Wiley. Yong Sang Song is the editor of Nutrition and Physical Activity in Aging, Obesity, and Cancer: The Third International Conference, Volume 1271, published by Wiley.