The secretion of hydrochloric acid in the stomach, this is in control of the parasympathetic branch, and the mucus membrane lining of the lungs, which is in control of both branches of the ANS.
Some disease may alter with your state of mind, while others have strong psychological factors. Studies have shown that you first have an emotional experience then bodily expression follows. This is known as: stimulus (S) produces emotion (E) and leads to a response (PR), so basically if you are sad and you smile you will feel happier.
Psychosomatic disorders are classified by the organ system affected. There are ten groups of phychosomatic illness. An example is given for these illnesses, to give better understanding of how all of this works.
First, psychophysiologic skin reactions, including hair loss, hives, and acne. An example of this is eczema, or esse sive itching. Some people show no sign of allergy in skin tests but it has been noted that the skin is extremely responsive to the subjects state of mind. For instance, when afraid their skin felt cold, when embarrassed the subject blushed, etc. Dermatologists and psychiatrists believe that when no allergy is shown that psychotherapy will relive the person of thought and they will no longer get the urges to scratch and the skin disorder will vanish.
The psychophysiologic musclouskeletar reactions, including backaches, and muscular cramps. Also, Rheumatism. A serious form of arthritis that begins with an inherited susceptibility but emotional stress evidently tires the balance so that the person develops actual symptoms. And only those with emotional conflict go on to the development of the disease. With this psychotherapy is needed to find the emotional imbalance and the symptoms of the disease will no longer be visible.
The psychophysiologic respiratory reactions include, bronchitis, and hay fever. To be more complex, asthma. There will be no allergy found but there is excessive enervation of the lungs.