Multiple Choice

A 30-year-old individual reports experiencing a significant loss of interest in their hobbies, feelings of worthlessness, and persistent fatigue for the past month. However, they also describe a distinct one-week period last year where they felt euphoric, needed only two hours of sleep per night without feeling tired, and impulsively bought a sports car they could not afford. Based on this pattern of symptoms, which of the following is the most likely diagnosis?

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Updated 2025-10-08

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