until you're about 25 around age 25 developing teen brain the brain does not stop growing until early 20’s mid-20s normal part of brain development brain brain isn’t fully developed until 25 their neural connections aren't fully established yet http://mentalhealthdaily.com/2... mentalhealthdaily.com někteří odborníci develop mentalhealthdaily.com brain experts mentalhealthdaily.com... http://mentalhealthdaily.com... their neural connections aren't fully established yet until around age 25 developing teen brain our brains are still developing until the mid-20's until at least the mid-20’s, became fully developed not done maturing brain continues to develop around age 25 continue to develop fully developed brain and understanding mid-twenties I wonder why that is? until an average age of 25 became fully developed the human brain does not fully mature until age 25+ midten av 20-årene. is still developing until age 25 Mental Health Daily developing teen brain until they’re in their mid-20’s until they’re in their mid-20’s around age 25 fully developed at age 25. until they’re in their mid-20’s