Why Are So Many Young People Unhappy?

Here are some unhappy statistics:

-- In America between 1946 and 2006, the suicide rate quadrupled for males ages 15 to 24 and doubled for females the same age.

-- In 1950, the suicide rate per 100,000 Americans was 11.4. In 2017, it was 14.

-- According to Grant Duwe, director of research and evaluation at the Minnesota Department of Corrections, in the 1980s, there were 32 mass public shootings (which he defines as incidents in which four or more people are killed publicly with guns within 24 hours). In...