Not only does metal produce water, water produces metal. The pure from the impure returns to the lungs. It is a pattern more of lung to kidney than the reverse. It is a great sadness. See: Kidney Syndromes and Lung Syndromes

Symptoms

• Great sadness
• Cough chronic, dry, with little mucus or bloody sputum
• Chronic hoarseness (lasting months)
• Dry mouth and throat
• Dry skin
• Hoarse voice
• Xin Fan, nervousness
• Insomnia
• Hot flashes
• Night sweating
• Red cheekbones
• Weakness and pain in lower back and knees
• Red tongue with little coating or without coating
• Fine and rapid pulse