Work to the point where you feel warm and slightly out of breath. At this level of exertion, you can be sure you’re doing the best you can to burn lots of fat and glucose, increase your level of fitness, and improve your health.
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Work to the point where you feel warm and slightly out of breath. At this level of exertion, you can be sure you’re doing the best you can to burn lots of fat and glucose, increase your level of fitness, and improve your health.
