Today we experience a great deal of stress from our day to day lives, whether physically or mentally. Stress can lead to stagnation of Chi and blockage of energy flow. At this level, there may not be measurable signs of illness. The result is some people may have the experience of feeling unwell with a medical report showing nothing wrong with them. This is so called sub-health state in TCM. It is a state in which unbalanced energy hasn’t yet manifest physically in a serious