We all know that exercise is supposed to be good for us, but only 20% of people move regularly. Those of us who exercise may be attracted to popular workout trends, such as CrossFit or elliptical jumping for 60 minutes, but in my research I’ve learned that overly aggressive interval training (HIIT) or chronic cardio may not be the best way to look and feel fit.
Overexercising releases two key hormones.
Excess exercise releases two key hormones: CRH and cortisol, both of which are related to stress response. HRC increases the permeability (or leakage) of the intestinal wall as well as the permeability of the lungs, skin and blood-brain barrier. Cortisol levels increase with rigorous exercise, such as running, which can cause excessive wear and accelerate aging. High cortisol levels also alter the narrow junctions between cells, so that small harmful substances can cross the barrier. In addition, high cortisol levels reduce the motility of the intestine,blocks digestion, dulls blood flow to the intestine and decreases the production of mucus, an important immune function. For people suffering from a disruption of the UNHCR control system and cortisol, the hypothalamo-hypophyso-adrenal axis, you may have to give up your training sessions in order to fully heal, as part of a comprehensive protocol of functional medicine. Even elite athletes benefit from several workarounds, for example by taking probiotic, omega-3 and vitamin C supplements; however, moderation may be your best asset.
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