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.Just as the level of the hormone insulin in your bloodstream is determined by what you eat, the level of the hormone cortisol is determined by what you think.
Cortisol has far-reaching systemic effects relating to many of your bodies functions. Any discussion of weight gain would have to include the effects of cortisol; however, cortisol is best known as the stress hormone. It is the relationship of stress to immune function that is the focus of this post.
When the immune system is alert and active, it is busy protecting you. It removes toxins and other debris from the body’s bloodstream and tissues; and, it attacks invaders that pose a threat to your survival (bacteria, viruses, and cancer cells).
Your body is programmed to protect you; survival is the body’s primary directive. Your body must operate by specific rules of survival. The function of a traffic light makes a good analogy of how the body responds to stress and controls the function of its immune system. …[continue reading]