Past research has shown that prolonged periods of sedentary behavior can lead to the accumulation of biomarkers in the blood that are associated with an elevated risk for cardiovascular disease. In this study, researchers found that breaking up sessions of sedentary activity every 15 minutes with just a small amount of physical activity of any intensity can counteract much of the negative effects of prolonged inactivity. Scandinavian Journal of Medicine and Science in Sports, April 2021