What is happening in the brain of a teen who is stressed?

Kristy Williams works as a full-time missionary in the context of youth ministry and leadership training. She has been serving primarily in Ukraine, although her love for training youth leaders also leads her to different opportunities in Central and Eastern Europe with her missionary organisation, Josiah Venture. Here, she answers questions from her talk titled, "The Teenage Brain: Understanding the Physiological and Emotional World of the Adolescent," given at the 2019 European Leadership Forum.