Over the past few decades, neuroscientists have gotten a clearer understanding of how the brain matures, from childhood to adulthood. What they’ve found is that critical systems—including those that control impulsive behavior and evaluate long-term consequences—often do not mature until people are well into their twenties. Does this mean we should reconsider how we define “adulthood” for things like military service and criminal justice?

Learn more in this interesting article “Why is 18 the age of adulthood if the brain can take 30 years to mature?” from Bigthink.com