Your brain isn’t done being a teenager until you’re 32. Science just said so. Cambridge researchers mapped brain development across 4,000 people from newborns to 90-year-olds and found that your brain’s adolescent phase doesn’t end until your early thirties. Before that? Your brain is in its longest developmental phase refining, pruning, strengthening connections, trying to make all the regions work together efficiently. And then at 32, things shift. Intelligence and personality development leve