Researchers at the University of Cambridge have discovered that adolescence persists into one's 30s, per an eye-opening study published in the journal Nature. Getty Images

There’s truth to the “manchild” trope.

UK researchers have discovered that adulthood starts much later than we thought, per an eye-opening study published in the journal Nature.

“Based purely on neural architecture, we found that adolescent-like changes in brain structure end around the early thirties,” wrote the researchers, who hailed from the University of Cambridge.

These extended wonder years are just one of five major epochs in brain structure during an average human life, divided into four pivotal “turning points” between birth and death.

Lead author Dr. Alexa Mousley told the BBC that the brain constant

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