What should coronary heart disease patients do every 20 minutes?

They should stand up and do seven minutes of light exercise, research suggests

It may be a tall order, but Canadian researchers say heart patients should aim to move every 20 minutes if they want to live longer.

Home workout

Seven minutes of activity — such as standing up and light walking every 20 minutes, adding up to 21 minutes of movement for each hour spent sitting — is being advised for patients with coronary artery disease.

Previous research has shown that being sedentary for long periods can hasten death, but taking exercise breaks can lessen the risks, especially when burning more than 770kcal (3220kj) a day in “free

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