They are inseparable. Their proper relationship is health. A disturbance in this relationship is disease. In distinguishing illness patterns, weakness suggest Yin, strength Yang. This is the principle of mutual support which can be seen in any relationship.
Mutual support is complemented by mutual control.
There is a counter balancing of Yin and Yang, and vice versa, a natural tendency to bring things back to a norm. The primary concepts of the natural flow of life, expressed through the dynamic interchange of Yin and Yang are at the root of Chinese Medicine. Sleeplessness Toddler Teeth Feet Longlife Kid's Exercise Some of the information in this web site is not applicable to pregnant or breastfeeding women, or people who need to follow special advice on eating or physical activity to control or treat a medical condition.