Questione giuridica chiave
Whether the cantonal court had to order further investigation regarding alleged alcohol abuse and the claimant's psychiatric condition.
Decisione estratta
No further investigation was required; the existing medical evidence was sufficient and the alcohol-abuse hypothesis had no shown impact on work capacity.
Motivazione estratta
The alleged alcohol abuse was only mentioned as a hypothesis and was not retained by the experts or the treating psychiatrist. The appellant did not show that ignoring it could affect the outcome.