Worldwide, the prevalence of overweight and obesity, and associated co-morbidities, is increasing significantly (1). Energy imbalance between dietary energy intake and energy expenditure as a result of physical exercise is considered the main cause of obesity (2). To provide energy balance, conventional weight management (dietary intervention, physical activity, behavioural therapy) often results in short-term successes, but sustained weight maintenance is difficult to achieve (3). Hence, alternative weight-reduction strategies are required to contribute to finding a sustainable solution.
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