Nathan, a 22-year-old student, talks with psychiatrist Olivier Guillin, at the Rouvray psychiatric hospital, in Rouen, western France, Wednesday, Nov. 25, 2020. Lockdowns that France has used to fight the coronavirus have come at considerable cost to mental health. Surveying points to a surge of depression most acute among people without work, in financial hardship and young adults. Thibault Camus/AP Photo