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The Guardian - UK
The Guardian - UK
Lifestyle

Could a person work off all their body fat in one continuous bout of exercise?

Keep on running ... on the treadmill.
Burn it off ... on the treadmill. Photograph: Ruslan Dashinsky/Getty Images

Would it be possible for a person to lose every excess gramme of fat from their body in one, continuous bout of exercise, for example, running for several days non-stop on a treadmill, on an empty stomach? Disregarding the need for sleep, food and toilet trips, and lactic acid build up (and the sheer stupidity of such an endeavour) what are the rate-limiting steps that prevent us from doing this?

Mike Power

• Post your answers – and new questions – below or email them to nq@theguardian.com

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