Problem: In the podcast, Dr. Gupta notes that the human brain reaches its full size: Group of answer choices Around the age of 11 for girls and 14 for boys, but critical parts of the brain are not fully developed until our mid- to late-20's. Around the age of 12, but critical parts of the brain are not fully developed until 16. Around the age of 16, but critical parts of the brain are not fully developed until 18. Around the age of 18 for girls and 20 for boys, but critical parts of the brain are not fully developed until our mid- to late-40's. (CNN. (2023, January 31). The mystery of the teenage brain [Video]. YouTube. Need Assignment Help?