Answer:
chronic diseases
Step-by-step explanation:
Chronic diseases -
These are the type of disease , that last for longer period of time and need continuous medical attention , are referred to as chronic diseases.
The diseases that last for more than three months falls under the category of chronic diseases.
The example of chronic disease are -
heart disease , diabetes , cancer etc.
Hence, from the given information of the question,
The correct term is chronic diseases.