The Washington Post September 09, 2026 • 12:42

Column | 3 minutes vs. 90 minutes: Which workout is better for your health? - The Washington Post

By Gretchen Reynolds

Column | 3 minutes vs. 90 minutes: Which workout is better for your health? - The Washington Post

A new study found that three minutes of intense exercise floods our blood with molecules linked to better health.

Three minutes of intense exercise may have more beneficial impacts on our physiology and health than 90 minutes of more moderate exertion.
That idea could soundfar-fetched. But in a groundbreaking … [+363 chars]

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