email article Peripheral artery disease (PAD) patients with intermittent claudication could walk better after a year of regular home-based exercise at high intensity, whereas a low-intensity program was not effective at all, researchers reported. Only one arm of the 305-person LITE trial showed improvements on the 6-minute walk test: High-intensity exercise group: average 338.1 m at baseline to 371.2 m at 12 months ( P