I went to Mexico a few months ago and felt wonderful when I returned.
Stress is costly.
It is a major contributing factor to coronary artery disease, cancer, respiratory disorders, accidental injuries and cirrhosis of the liver and suicide. These contacts with the medical system cost over one billion dollars per year in the United States. As I was researching this topic, I ran across a number of articles by Dr. Jeffrey Leiphart. He goes on to explain that decades of research has established that the immune system is directly influenced by psychological processes and that the immune system is directly linked to the psyche by a complex network of nerves, hormones and neuropeptides. This network of specific physiological pathways allows thoughts and emotions to have a direct impact on immune function and, consequently, on physical health.