The meaning of invisible diseases in fortune-telling jargon

In the five elements, Jin Mu's fire, water and earth are in charge of various organs of the human body, so we can infer from the eight characters what diseases a person is prone to get at what age. Invisible disease mainly refers to the existence of two or more five elements in the eight characters, such as the golden soil of the year column and the fire wood of the moon column. This is normal, don't worry.