Traditional Chinese medicine cures the root cause, while western medicine cures the symptoms. What diabetes and diseases have you seen cured by taking western medicine? Diet therapy is really healthy.
There are more than two thousand people who see Mr. Zhang, and none of them can leave the hospital. Teacher Zhang just gave you some recipes and naturally adjusted them for you. Moreover, his "medicine" is not expensive. It is only our most basic food, the most natural method, and it is also a much better method than western medicine.
As long as you eat reasonably every day, but insist, I suggest the landlord use his method.