•dietary habits -oral supplements -exercise-type »oral supplements •exercise " duration -enteral nutrition
Fig. 1. COPD and treatment of exercise program. Despite optimal implementation of nutritional therapy as part of an integrated treatment approach to COPD, it should be recognised that a sub-group of patients may not respond, due to an underlying mechanism of weight loss that cannot be reversed merely by caloric supplementation. Potential reversibility by means of specific nutrients (nutriceuticals) or pharmaceuticals will be a major focus of future research in this field.
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