Which diagnosis fits James Thomas, who is displaying a sad mood and is isolative, and has a history of two suicide attempts?

The diagnosis of Major Depressive Disorder is fitting for James Thomas, given his presentation of a sad mood, social isolation, and a concerning history of suicide attempts. Major Depressive Disorder is characterized by persistent feelings of sadness or a low mood, loss of interest in previously enjoyed activities, and significant changes in functioning. Individuals with this disorder often experience social withdrawal and may struggle with feelings of hopelessness, making them more susceptible to suicidal thoughts or actions.

James's sad mood directly aligns with one of the core symptoms of this disorder, while his tendency to isolate himself further suggests a significant deterioration in his social interactions and overall quality of life, which is common among those suffering from depression. The history of two suicide attempts underscores the severity of his condition, as individuals with Major Depressive Disorder are at a heightened risk for such behaviors, particularly when left untreated or when they feel overwhelmed by their depressive symptoms.

In contrast, Bipolar Disorder is characterized by mood fluctuations that include episodes of depression and episodes of mania or hypomania, which does not appear to be indicated in James's case. Anxiety Disorder primarily involves excessive worry and fear rather than the pervasive low mood seen in depression. Schizophrenia involves symptoms such as hallucinations and delusions, which do