Answer:
Age 25
Step-by-step explanation:
Brain Maturity Extends Well Beyond Teen Years : NPR. Brain Maturity Extends Well Beyond Teen Years Under most laws, young people are recognized as adults at age 18. But emerging science about brain development suggests that most people don't reach full maturity until the age 25.
Magnetic resonance imaging (MRI) studies have made it possible for scientists to watch the rate at which the PFC matures, and have discovered the male brain doesn't fully develop until age 25. Meanwhile, women experience a maturity rate of 21 years-old
The rational part of a teen's brain isn't fully developed and won't be until age 25 or so. ... Adults think with the prefrontal cortex, the brain's rational part. This is the part of the brain that responds to situations with good judgment and an awareness of long-term consequences.