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Your gross oversimplification is roughly OK when you are comparing one species against another. It breaks down completely when you try to apply it individually. To provide a parallel, BMI correlates to body fat in a way that is statistically significant, but when applied individually may give the wrong impression about the amount of fat someone carries. ...


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I had the same thought when I watched some documentary about that. Unfortunately I couldn't find any references either. What I did, though, was to start studying medicine, and things started to make sense. When you exercise there is an acute increase in heart rate. That increase is short lasting, and depends on your oxygen debt (thats what exercise ...


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No, you can't directly control your heart rate. Your heart (and your adrenal glands) is controlled by your autonomic nervous system, which means it is controlled by your subconscious, lower brain stem. You can however influence your heart rate, meditation and stress can increase or decrease your heart rate, or by consciously slowing your breathing rate you ...



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