It is proposed that happiness be classified as a psychiatric disorder and be included in future editions of the major diagnostic manuals under the new name: major affective disorder, pleasant type. In a review of the relevant literature it is shown ...
Well so this is almost 3 decades old, but still…
What?
Why? The abstract doesn’t really explain the why, why would you want to do that?
The abstract suggests that happiness is a statistical anomaly, and in its final lines they suggest that “One possible objection to this proposal remains–that happiness is not negatively valued. However, this objection is dismissed as scientifically irrelevant.”