Many researchers have focused on the effects of light on elderly people. Dr. James was drawn to the health effects of light on young people. She discusses with Michael and Greg, how light affects depression, sleep, eyesight and memory. Want your teen to do better on a test, give them some quality light. Your Dad was right - get outside! Dr Shelley James is an international expert on light and well-being, TedX and keynote speaker, WELL Advisor and Visiting Lecturer at the Royal College of Art. She is also a trained glass artist and electrician.