• The prefrontal cortex, responsible for planning and impulse control, isn’t fully developed until age 25.
  • Society applies adulthood inconsistently—allowing military service at 18 but restricting alcohol until 21.
  • Young adults face life-altering decisions like student loans before their brains can assess the consequences.
  • Raising the age of majority to 25 would create consistency and protect developing brains from exploitation.