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Story summary
- A study involving nearly 96,000 participants found that short bursts of vigorous activity significantly reduce the risk of major diseases.
- Over seven years, intense activity reduced dementia risk by 63%, type 2 diabetes by 60%, and death by 46%.
- The findings show intensity matters more than total exercise time, with 15–20 minutes per week yielding benefits.
- Recommendations should be personalized, especially for older adults or those with medical conditions.
