The term “grow up” is about to have a brand new meaning, a new study has suggested that people don’t become fully “adult” until they are in their 30s.

In Ireland, as well as most places elsewhere, people technically become adults at the age of 18, but this report suggests that our brains aren’t fully matured until we are 30.

When speaking about the findings Professor Peter Jones, from Cambridge University had this to say.

“What we’re really saying is that to have a definition of when you move from childhood to adulthood looks increasingly absurd. It’s a much more nuanced transition that takes place over three decades.”

So there you have it folks, it’s true we really aren’t ready to adult and now we officially have an excuse!