A 10-year-old girl watches YouTube with a friend during their after-school program. An ad pops up. A two-minute quiz can tell her if she has ADHD. She takes it, of course. And just like that, she comes home to talk to her child psychiatrist dad about how she has ADHD.
This story is not unique. Mental health awareness has become one of Canada’s most visible public health projects. The messaging is everywhere: Bell Let’s Talk, school wellness e-mails, workplace campaigns, social media initiatives.
Yet despite these efforts, population-level mental health keeps declining. Medication use is increasing. How can this be?

My work was uplifting people, or so I told myself. Looking back, I suspect that feeling like I was on the right side of history was a kind of moral cover. Maybe I felt less wrong about the p-hacking because I was promoting social justice. The conclusions I drew were what the good guys already believed, after all. However, a scientist who wants to change the world in a particular direction is no longer beholden to the truth. They are beholden to a cause. I certainly was.
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