Although brain development is subject to significant individual variation, most experts suggest that the brain is fully developed by age 25. http://mentalhealth

Although brain development is subject to significant individual variation, most experts suggest that the brain is fully developed by age 25. http://mentalhealthdaily.com/2015/02/18/at-what-age-is-the-brain-fully-developed/ http://mentalhealthdaily.com/2015/02/18/at-what-age-is-the-b... Actual sources on the bottom of the article, including nature.com