By Duke University, March 27, 2014
The whole study can be found here:
Here’s an interesting part of the same study that shows lower intensity exercise burns fat, while more intense exercise burns carbohydrates (we’ve put two sentences in bold italics):
“The exact mechanism whereby lower intensity exercise might confer greater health benefits than does higher intensity exercise is not clear. The same amount of exercise at a lower exercise intensity increases the percentage of energy coming from fat oxidation. Conversely, the higher intensity exercise group gets more of its energy from carbohydrate oxidation. While caution is certainly warranted and additional confirmatory studies are needed, taken together these data suggest that for metabolic health there may be some real advantages of moderate intensity exercise and the consumption of fat oxidation as a fuel.”
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