Chronic illness suggests deficiency. Symptoms of excess are stronger or more pronounced than those caused by deficiency. Diseases caused by deficiency, emotion, or stagnation are Interior. Airborne viruses, bacterial infections, or other pestilential diseases are Exterior. Exterior diseases can penetrate the body and become Interior disease.
COLD People can be hot and cold.
And just as it can be hot in Miami and cold in Siberia, the Liver can be hot while the Kidney is cold. 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.