secondly, HIIT releases a higher volume of cortisol due to the stress you are putting your body through as compared to standard cardio. the difference is the duration. so in the end, depending on exercise time, the total cortisol release could be identical, or it could be skewed either way. this will vary with intensity, time and person to person. only a blood test will tell.
Long, moderate intensity cardio raises the following hormones: GH, TSH, T3, cortisol, Some T2. note: T3 and cortisol eat away at both fat and muscle
Short, high intensity cardio raises the following hormones: GH, TSH, T2, and some T3. note:T2 preserves more muscle than T3.
Long, low intensity cardio raises the following hormones: generally little to none at all.
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