It usually persists for a very long time, and often until the patient is around 40 years old.
That is why conventional plastics, when discarded, persist for a long time in the environment.
Its form might persist for a time, even after those who created it had perished.
It is now believed the tilapia may be the only fish species able to persist there for a limited time.
The seeds probably also persist for a long time in the soil seed bank.
The old name persisted for a time after the old Hotel was demolished in 1997.
"A species of music known as 'rock' persisted for a long time, but it had abandoned the Zeitgeist."
Most of these side effects go away after this medication is stopped, however some effects may persist for a long time.
But there is a real possibility that a state of neither peace nor war could persist for a long time.
A small French presence persisted for a time on the east bank of the river, but was gone by about 1846.