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Consuming coffee without (or with less) sugar may help people lower their daily calorie intake without restrictive dieting. We tested two theory-based interventions to help people do so. One involved gradually reducing sugar over time, and the other was based on mindfulness theory. These interventions were compared to a repeated exposure (to sugar-free coffee) group. Participants in all conditions had significant increases in consumption of sugar-free coffee that lasted six months. The mindfulness group had a larger increase than the others. Unexpectedly, the gradual reduction intervention led to a decrease in liking for sugar-free coffee, and was the least effective.
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