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The harder a workout is, the harder exercisers will fall for it, suggests new research in the journal PLOS One.

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The harder a workout is, the harder exercisers will fall for it, suggests new research in the journal PLOS One.
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When exercisers started a six-week plan of either high-intensity interval training or moderate cardio, the HIIT group liked their workouts more and more each week – no matter how difficult things got. The others, however, found their workouts less and less enjoyable as they went along. “More intense exercise can help you feel a sense of achievement when you’re done and may help motivate you to stick with it,” says lead study author Jennifer Heisz.