Collagen fillers may last from 6 to 12 months, whereas collagen mixed PMMA microspheres (Artefill) may last up to 5 years [6, 44].
Results may last up to a year, but can sometimes cause short-term problems such as bruising, swelling, itchiness and sensitivity.
The contamination may last up to 100 years.
The trial itself won't be so quick: it may last up to four months.
Some pacemakers may last up to 15 years and can be reused; the most common lifetime is seven years.
Skimming may last up to several minutes until the whales close their mouths to swallow what they have filtered from the water.
After an attack – which may last up to four days – many migraineurs suffer from a "post-drome", when they might feel listless, agitated, or depressed.
Other side effects that may last up to 48 hours include bruising, bumps, swelling or a so-called Tyndall effect, which causes the under-eye skin to look bluish.
Tours that encounter the First Gent may last up to six hours and involve visits to the Situation Room to "give you a sense of what it was like".
Sentences may last up to four years, and conditions in prison are often described as brutal – prisoners are crammed into tiny cells, deprived of adequate sustenance, and sometimes tortured.
Heat waves are prolonged periods of excessive ambient temperature that may last up to several weeks.
