Key Takeaways

Brief, intense exercise snacks can help improve fitnessPeople’s heart and lung fitness improved through five-minute bursts of activity sprinkled throughout their dayMost were able to pick up the habit of regular, brief exercise breaks

THURSDAY, Oct. 9, 2025 (HealthDay News) — “Fun-sized” bits of exercise sprinkled throughout the day might help boost the fitness of inactive folks, a new evidence review says.

These exercise “snacks” — intentional short bursts of physical activity — significantly improved heart and lung fitness among adults, researchers reported Oct. 7 in the British Journal of Sports Medicine .

People also found it easy to pick up the habit of bite-sized workout breaks, results showed.

“The time efficient nature of exercise snacks may help overcome com

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