Nature
In Chinese medicine, the [Liver] is the [Yin Organ] of [Wood]. The [Gall Bladder] is the [Yang Organ] of [Wood]. It is associated with creative striving and anger. Over the years, emotions such hatred and rage which cannot be expressed, cleared and turned into a positive striving toward indiviudal goals, may be redirected back into the body and lead to " [Wood] diseases": diseases in which the main symptoms are joint and muscle pains and an increasing restriction of movement, such as gout, arthritis, rheumatism and chronic polyarthritis.