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Can Exercise Evoke Healthier Food Choices?

by Sandy Todd Webster on Feb 11, 2014

Food for Thought

Exercise is clearly part of a healthy fitness equation, but it also seems to play a role in steering us toward making healthier food choices, according to a study published in the American Journal of Clinical Nutrition (doi:10.3945/ajcn.113 .071381).

University of Birmingham (England) scientists asked 15 young, healthy men to jog gently on a treadmill for up to an hour. Afterwards, they were shown images of low-calorie, healthy foods and then fatty, less healthy fare as their brains underwent MRI scanning to monitor reward-centric activity levels. The experiment with food images was then repeated after an hour of relaxation instead of exercise. Results showed that neuron cells in regions of the brain that become more active when they sense a “reward” responded more to low-fat food images after exercise than when volunteers were sedentary.

“Exercise increases neural responses in reward-related regions of the brain in response to images of low-calorie foods and suppresses activation during the viewing of high-calorie foods,” concluded the authors in the study abstract. “These central responses are associated with exercise-induced changes in peripheral signals related to appetite-regulation and hydration status.”

IDEA Fitness Journal, Volume 11, Issue 3

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About the Author

Sandy Todd Webster

Sandy Todd Webster IDEA Author/Presenter

Sandy Todd Webster is Editor in Chief of IDEA's publications, including the award-winning IDEA FITNESS JOURNAL and IDEA FOOD & NUTRITION TIPS, the industry's leading resources for fitness, wellness and nutrition professionals worldwide. Sandy joined IDEA in 2001 as executive editor of IDEA PERSONAL TRAINER and IDEA FITNESS MANAGER magazines and was promoted to lead the editorial team in 2003. More than 20 years in magazine publishing, marketing communications and creative services have shaped her straightforward approach to multi-channel communication. Early experience in Los Angeles as a sports writer/reporter, and then enriching years as a managing editor in allied health care publishing have pulled her across a spectrum of stimulating subject matter. Fitness, health and nutrition reside at the perfect center of this content continuum, she feels. A Chicago native, Sandy grew up fully engaged in various competitive sports. Her drive and dedication as an athlete translate to a disciplined work ethic and unwavering approach to challenge in her career. Shortly after graduating journalism school from Southern Illinois University-Carbondale, she was recruited to L.A. for her first post in magazine publishing. After two decades of working on magazines--and now in the throes of applying the unbelieveable multi-media content delivery options available in the magazine 2.0 world--she is still "completely in love" with the creative process it takes to deliver meaningful, inspirational content to end users. She is an accomplished home cook and gardner who would love to combine those skills and passions with her health and fitness background to continue educating readers about a well-balanced, healthy lifestyle.