||Dry diseases are most common in autumn, because when late summer’s Damp quickly disappears the weather suddenly becomes dry and breezy. Early autumn’s Warm-Dry retains the remaining Heat of summer. Late autumn’s Cool-Dry unleashes the Cold of early winter. Pathogenic Dry is arid and raw, because inadequate body fluid impedes body fluidity and causes dehydration and rawness. The symptoms are dry mouth, nose, and throat, dry cracked skin, scant urine, and dry stools.
||Dry impairs the Lung, because Dry and the Lung belong to autumn. Dry lessens Lung-fluid and disturbs the Lung’s clearing and descending actions. The Symptoms include dry cough, chest pain, little phlegm, dyspnea, bloody sputum, and sticky sputum.