For psychiatry or mental health podcasts, the trend is usually longer-form but structured:

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Average duration: 30–60 minutes per episode.

Shorter episodes (15–30 min): Quick tips, mindfulness exercises, or case discussions.

Longer episodes (60–90 min): In-depth interviews, therapy sessions (anonymized), deep dives into disorders or research.

Most mental health podcasts aim for a sweet spot around 40–50 minutes—long enough to explore a topic meaningfully, short enough for listeners to stay engaged.