Exercise Training Reduces Reward for High-Fat Food in Adults with Overweight/Obesity

PURPOSEThere is increasing evidence that exercise training may facilitate weight management via improvements in homeostatic appetite control, but little is known about how exercise training affects food reward and susceptibility to overeating. METHODSThis study examined changes in food reward and ea...

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Published in:Medicine and science in sports and exercise 2020-04, Vol.52 (4), p.900-908
Main Authors: BEAULIEU, KRISTINE, HOPKINS, MARK, GIBBONS, CATHERINE, OUSTRIC, PAULINE, CAUDWELL, PHILLIPA, BLUNDELL, JOHN, FINLAYSON, GRAHAM
Format: Article
Language:English
Subjects:
Adolescent
Adult
Body Composition
Diet, Carbohydrate Loading
Diet, High-Fat
Dietary Fats - administration & dosage
Exercise Therapy - methods
Feeding Behavior
Female
Food Preferences
Humans
Male
Middle Aged
Obesity - psychology
Obesity - therapy
Overweight - psychology
Overweight - therapy
Physical Conditioning, Human - physiology
Reward
Young Adult
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Summary:PURPOSEThere is increasing evidence that exercise training may facilitate weight management via improvements in homeostatic appetite control, but little is known about how exercise training affects food reward and susceptibility to overeating. METHODSThis study examined changes in food reward and eating behavior traits after a supervised 12-wk exercise intervention (10.5 MJ·wk) in inactive individuals with overweight/obesity (exercisers; n = 46, 16 men/30 women; mean (SD) body mass index, 30.6 (3.8) kg·m; and mean (SD) age, 43.2 (7.5) yr) compared with nonexercising controls (n = 15; 6 men/9 women; mean (SD) body mass index, 31.4 (3.7) kg·m; and mean (SD) age, 41.4 (10.7) yr). Liking and wanting scores for high-fat relative to low-fat foods were assessed with the Leeds Food Preference Questionnaire before and after consumption of an isoenergetic high-fat or high-carbohydrate lunch. Eating behavior traits were assessed using the Three-Factor Eating Questionnaire and Binge Eating Scale. RESULTSA week–group interaction indicated that wanting scores decreased from baseline to postintervention in exercisers only (M[INCREMENT]Pre–Post = −4.1, P = 0.03, ηp = 0.09, 95% confidence interval [CI], −7.8 to −0.4), but there was no exercise effect on liking. There was also a week–group interaction for binge eating, which decreased in exercisers only (M[INCREMENT]Pre–Post = −1.5, P = 0.01, ηp = 0.11; 95% CI, −2.7 to −0.4). A small reduction in disinhibition was also apparent in exercisers (M[INCREMENT]Pre–Post = −0.7, P = 0.02, ηp = 0.10; 95% CI, −1.3 to −0.1). CONCLUSIONSThis study showed that 12 wk of exercise training reduced wanting scores for high-fat foods and trait markers of overeating in individuals with overweight/obesity compared with nonexercising controls. Further research is needed to elucidate the mechanisms behind these exercise-induced changes in food reward.
ISSN:0195-9131
1530-0315
DOI:10.1249/MSS.0000000000002205