According to a twenty-year study by Kaiser Permanente, between seventy and eighty-five percent of illness is caused by stress, meaning that in the U.S. alone stress is costing us about one-trillion dollars per year in healthcare costs. Since most absenteeism is due to stress, US business is losing upwards of $300 billion per year. On a more personal level, it is disturbing to realize that aging is accelerated by stress, and stress is a growing issue with all of us. Studies show that change is.