A recent study conducted by Paul Williams of Lawrence Berkeley National Laboratory and Paul Thompson of Hartford Hospital found that walking, not running, is better for your heart and yields higher boosts to your health. Though both forms of exercise reduce blood pressure and cholesterol as well as the likelihood of diabetes and coronary heart disease, researchers found that walking is "a more sustainable activity for most people" though runners expend twice the energy in less time due to the intensity of running sessions. The group also found that runners were more likely to "end up exercising twice as much as those who choose walking" and that "if the amount of energy expended was the same between the two groups, then the health benefits were comparable."
The pair measured the states of "metabolic equivalents" between both activities and found that walking is a "moderate intensity exercise" while running is more vigorous. They also suggested that further investigation into the long term effects of both activities and likelihood of various health problems like hypertension, diabetes, hypercholestrolemia, and coronary heart disease. They concluded that the likelihood of diabetes and coronary heart disease "were not significantly different for running than walking" and both reduced the risk for hypertension, hypercholesterolemia, and diabetes though runners had a decreased risk.
The study has been published online withing the journal Arteriosclerosis, Thrombosis, and Vascular Biology.
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