James has been feeling down recently, which is unusual for him. he has gained some weight and feels that he has lost his energy. james is still working well, and his interpersonal relationships are good. what is the diagnosis answers

I believe the answer is: James is feeling down but is not clinically depressed.

Clinically depressed person tend to experience deteriorating quality in either the overall productivity or relationship with other people.

From jame's description, the psychologist would most believe that Jame's mood is caused by unhealthy diet