“In our time, depression is on the rise,” Ben-Shahar says. “More and more students experience stress, anxiety, unhappiness. Until a few years ago, we didn’t have e-mail; now, students check their e-mail 20 times a day. Students work longer hours and are having to build up their résumés to levels that, 20 years ago, were not expected of young people. Students today are looking for ideas that will help them to lead better lives.”