Dr Lucy Foulkes is an academic psychologist. She is currently a Prudence Trust Research Fellow at the University of Oxford, where she leads research into adolescent mental health and social development. She is the author of What Mental Illness Really Is (and What It Isn't) and has written for the Guardian, New Scientist and Wall Street Journal. Her work has been discussed on BBC 2's Newsnight and reported in The Times, Economist, New York Times and Atlantic, and she has appeared on BBC Radio 4's All in the Mind and Start the Week.