Moreover, according to the *Jingyue Quanshu*, long-term illness inevitably leads to kidney damage. This child had received treatment for a long time before coming under our care. Not only did the disease damage his kidneys, but the chemotherapy process also harmed them.
So, the child's current situation, with ailments like a cold, is merely superficial. The real cause is long-term illness damaging his kidneys. This has led to kidney yin deficiency, instability in his original yang, and the emergence of premonitory signs of syncope."
Doctor Ma began to understand, but when he thought about the previous treatment, he immediately asked, "What about our previous treatment?"
Du Heng admitted the mistake generously, "My thinking was incomplete; I didn't consider this point. It was treating the symptoms but not the root cause, leaving a minor loose end.
