[drewcoo]

> “Smoking typically comes before the mental illness. In fact, a long time before. On average, people from the data set began smoking at the age of 17, while they were typically not admitted to hospital with a mental disorder until after the age of 30,” he adds.

So smoking onset is measured by behavior initiation but mental illness onset is measured by first hospitalization?

This is just one of the pieces of motivated reasoning evident here.