A suggestion that long workouts aren't essential for those looking to improve their health. 

Australian researchers have discovered three or four minutes of incidental high intensity movement a day is enough to reduce cancer risk.

Sydney University Physical Activity Professor Emmanuel Stamatakis told Heather du Plessis-Allan that it can be small every day activities that will help.

He says that can be things like power walking, carrying groceries, and climbing the stairs.

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