All people are ill. Often children and elderly people are ill. If it can not treat an illness pereytiya in a chronic form. Diseases share on two categories. It is a malignant illness and a benign illness. Those diseases which aren't curable belong to malignant diseases. For example cancer, etc. Those diseases which are curable belong to benign diseases. For example as quinsy, etc. And still all diseases bad. Therefore let's not to be ill!
