All that discomfort of the lung system is just a symptom. The liver's soul aspect, the hun , seeks to express its eternal and perfect nature in a world of instability and imperfection. The liver's knowledge of personal growth is unmatched. When the soul is denied in a materialistic person and reinforced by a materialistic culture, no wonder stagnation explodes into anger and frustration, the emotions of the liver. Creativity and passion can erupt with destructiveness, when denied any other outlet.
All humans seek to create, to grow, to change - it is in our very nature.
We seek healing, and now is the time. Food cures are often the safest approach. Paul Pitchford's book Healing with Whole Foods is an excellent resource. All foods should be as fresh as possible and prepared in a clean environment. This is a relatively quick and dirty method.