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...the value of exercise has less to do with building muscles or burning calories than it has to do with getting your heart to pump faster and more efficiently and thereby increase blood flow to nourish and cleanse your brain and all your organs.
When stress prevents the molecules of emotion from flowing freely where needed, the largely autonomic processes that are regulated by peptide flow, such as breathing, blood flow, immunity, digestion, and elimination, collapse down to a few simple feedback loops and upset the normal healing response. Meditation, by allowing long-buried thoughts and feelings to surface, is a way of getting the peptides flowing again, returning the body, and the emotions, to health.
...neuropeptides can alter blood flow from one part of the body to another—the rate of blood flow is an important aspect of prioritizing and distributing the finite resources available to our body.
Through visualization, for example, we can increase the blood flow into a body part and thereby increase the availability of oxygen and nutrients to carry away toxins and nourish the cells.