Cancer Treatment Can Cause Persistent Fatigue

There are a variety of studies documenting the phenomena of persistent fatigue lasting years after treatment for cancer.  Many researchers are trying to clarify what is the cause of the fatigue.

A recent study has demonstrated an imbalance of autonomic function that parallels my own work with former cancer patients.

The patients in this study showed an abnormally prolonged response to stress.  The abnormal response leads to an excessive release of the adrenaline hormone known as Norepinephrine (NE).

The excessive and prolonged release of NE to routine daily stress results in the autonomic nervous depleting its overall reserves of NE.

Once depletion occurs, the autonomic nervous system is not able to function in other respects and develops a pattern of imbalance known as Sympathetic or Autonomic Withdrawal.

Sympathetic Withdrawal prevents the body from adequately maintaining proper brain blood flow and is a common cause of fatigue, poor concentration, lightheadedness, headaches as well as salt/sugar cravings and subsequent obesity.

Fortunately there are ways to easily diagnose and re-balance the autonomic nervous system, eliminate the state of Sympathetic Withdrawal and reverse these often disabling symptoms.


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Patrick Nemechek, D.O.

Patrick Nemechek, D.O.

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