Disease inevitably consumes or damages healthy Qi. Preventative treatment builds healthy Qi, strengthens resistance to diseases, and repels pathogens. The Basic Questions states, “Strong anti-pathogenic Qi in the body keeps away pathogens” .
The potency of anti-pathogenic Qi, or body resistance, is determined by the physical constitution. Disease results from insufficient healthy Qi and an attack of pathogens. Thus, improving physical health is the key to strengthening anti-pathogenic Qi. Regulated emotions, exercise, proper diet, regular lifestyle, and appropriate preventive herbs all contribute to sound health.