Disease can also be called hot or cold according to the way it affects the body. Because life loves water, excessive dampness inside the body helps microscopic life such as bacteria, virus, fungus, etc to breed. Swollen tissue, excess phlegm or other fluids are also examples dampness. Dryness indicates a scarcity of fluids. Causes of dryness are Blood or Yin deficiency.
Excessive heat scorches the yin fluids and leads to dryness.
Prolonged exposure to dry weather will cause dryness inside the body as well. When The Shen is at home in your Heart, the Way is obvious. They effect the flow and rhythm of our organism by influencing the qi. The qi directly effects the organs. When emotions are intense, they effect our body in profound ways.