San Francisco Chronicle May 17, 2026 • 11:04

The healthiest workout may be shorter — and harder — than people think - San Francisco Chronicle

By Catherine Ho

The healthiest workout may be shorter — and harder — than people think - San Francisco Chronicle

A new study found that one small shift in daily movement habits was linked to lower risk of dementia, diabetes and heart disease.

Participants sprint up a staircase in the November Project fitness workout at the Presidio in San Francisco on Friday, Aug. 31, 2018.
Paul Chinn/S.F. Chronicle
People who do more short bursts of vi… [+6395 chars]

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