Patients with heart disease should interrupt sedentary time every 20 minutes with a 7 minute bout of light physical activity activities such as standing up and walking at a casual pace, recommends a study presented at the ongoing Canadian Cardiovascular Congress (CCC) 2018 in Toronto, Canada.As per the study, during each hour of sitting time, heart patients should take three breaks which add up to 21 minutes of light physical activity. This will expend 770 kcal a day, an amount associated with a lower risk of premature death."