Some people think that a good appetite is the sign for the health of the body. However, it is not entirely true. If your appetite suddenly becomes very strong, it may be the early signs of some diseases. As a result, you should pay special attention to it, especially the following kinds of diseases.

First, diabetes
When people suffer from diabetes, there will be a large number of glucose expelled from the urination, so that the sugar can not be fully absorbed and utilized by the body. This information will stimulate the eating center in the brain as a feedback, so the patients will often feel very hungry and therefore need to eat much more food. In addition to eating excessive food, these patients may also suffer from symptoms such as polydipsia, polyuria, as well as weight loss. But some middle-aged patients may suffer from abnormal obesity rather than weight loss after the illness, so they should pay special attention to it.

Second, hypercortisolism
People who suffer from hypercortisolism tend to have an extremely good appetite. At the same time, they may also suffer from abnormal obesity, with their face as fat as the moon, and a lot of fat accumulated in the breast and abdomen. However, their limbs are not fat, but very thin sometimes, which makes a sharp contrast with their fat body.

Third, hyperthyroidism.
Because of the large number of thyroid hormone secretion, the catabolism of the protein, carbohydrate and fat is increased in the body, and the heat will be consumed excessively. Therefore, in addition to the three meals during the day, people will still feel very hungry. What's more various performances of metabolic hyperactivity begin to appear correspondingly, such as hydrosis, cardiopalmus, weight loss and so on. In addition, the excitability of the organ systems will becomes more obvious, so people will always be troubled by insomnia, irritability, hand trenmor, proptosis, headache, high blood pressure, and may even cause struma.

In addition, some other diseases such as hookworm diseases and tapeworm disease are also the performances of a hyperactive appetite.

From this we can see, if you feel your appetite become very different compared with usual time, or you especially want to eat food for a long term, then you should pay great attention to it, and go to the doctor in time, in case that there may be some diseases have come near to you.