Chronic is the word that describes an illness/disease that is either incurable or something that has to run it's course, whether long term or recurring.
Some diseases last for a short period of time and/or come on very quickly. These are called Acute Diseases. eg Chest Infection Others last for a longer period of time and/or come on gradually over a long period of time. These are called Chronic Diseases eg - Arthritis
They are said to be chronic diseases; these may last years, even as long as the life of the patient.
poo
acute
There is no time limit on how long a drought can last.
a long time
how long does 15mg Adderral last
I have heard that Kids Schetchers and DCs last a long time. I know from experience that Dcs will last a good amount of time.
A very long time.
For a long time!, :)
Insoluble,in water it will form a suspension, (called slip by potters) that can last quite a long time.
It'll last for a long, long time. Your computer will be just peachy.