Lung & Large Intestine (LL) LL dominates sadness and sorrow. Excessive sadness and sorrow will harm LL. LL controls the airways and breathing. It is connected to the skin, throat, and nose. Cough with white, thin & clear phlegm: Cold toxin in LL causes this issue. While removing phlegm, we need to warm LL. Lung Fire Pill and Phlegm Pro Pill...