They are most common in children between 6 and 18 months and usually not present after 5 years of age.

According to one study, acne becomes less common after age 44.

I felt the first anger that would soon become common to me after my death.

Unstable vision is common in the first 3 months after surgery and may last for up to 1 year.

But these side effects are not common after a single treatment dose.

Loss of consciousness is very common immediately after a strike.

Though violent video games date back to the early 1990s, they became much more common after 2000.

They probably originated before 1500 but only became common after 1600; in Britain around 1620.

What types of emotional problems are common after a stroke?

Death is most common 2 to 12 weeks after the onset of illness.