Damp one of the six exogenous pathogenic factors e Yin pathogen,tending to obstruct the functional activities of qi and impair spleen Yang Heavy and turbid in nature e Viscous and lingering e Tending to go downward,and being apt to attack the lower pat of the body Damp—one of the six exogenous pathogenic factors Yin pathogen, tending to obstruct the functional activities of qi and impair spleen Yang Heavy and turbid in nature Viscous and lingering Tending to go downward, and being apt to attack the lower pat of the body