1. I was under great mental pressure this month and didn't increase my diet. My physical exertion led to my emaciation.

I used to have regular eating habits, but this month it has become very irregular. The body can't adapt.

3. Digestive system diseases, gastritis, enteritis, etc. (Symptoms such as acid reflux and diarrhea)

I was seriously ill, and my immune system consumed most of my energy and protein, so I couldn't replenish it in time.

5. type I or type II diabetes.

6. Some immune system diseases.

If you suspect that you are sick, it is recommended to do a routine blood test, mainly to see if blood sugar and white blood cell count exceed the standard. The cost is about 30~50 yuan. If there are acquaintances in the hospital, 10 yuan is enough.

If you are not sick, stew an old hen and burn two Jin of braised pork to make up for it.