<p>Study identifies ‘circadian depression’ as affecting nearly a quarter of more than 11,000 participants</p><ul><li><p>Get our <a href="https://www.theguardian.com/email-newsletters?CMP=cvau_sfl">breaking news email</a>, <a href="https://app.adjust.com/w4u7jx3">free app</a> or <a href="https://www.theguardian.com/australia-news/series/full-story?CMP=cvau_sfl">daily news podcast</a></p></li></ul><p>Australian researchers have identified a new subtype of depression – termed “circadian depression” – linked to disruptions in the body’s internal clock, which they believe is less responsive to traditional antidepressant treatments.</p><p>In a study published in British Journal of Psychiatry, involving clinical and genetic data from 11,380 Australians with mostly severe and recurrent depression, researchers identified circadian depression as affecting nearly a quarter (23%) of participants.</p> <a href="https://www.theguardian.com/society/2026/oct/21/australian-researchers-identify-new-subtype-of-depression-linked-to-body-clock-disruptions">Continue reading...</a>
World
Australian researchers identify new subtype of depression linked to body clock disruptions
<p>Study identifies ‘circadian depression’ as affecting nearly a quarter of more than 11,000 participants</p><ul><li><p>Get our <a href="https://www.theguardian.com/email-newsletters?CMP=cvau_sfl">breaking news email</a>, <a href="https://app.adjust.com/w4u7jx3">free app</a> or <a href="https://www.theguardian.com/australia-news/series/full-story?CMP=cvau_sfl">daily news podcast</a></p></li></ul><p>Australian researchers have identified a new subtype of depression – termed “circadian depression” – linked to disruptions in the body’s internal clock, which they believe is less responsive to traditional antidepressant treatments.</p><p>In a study published in British Journal of Psychiatry, involving clinical and genetic data from 11,380 Australians with mostly severe and recurrent depression, researchers identified circadian depression as affecting nearly a quarter (23%) of participants.</p> <a href="https://www.theguardian.com/society/2026/oct/21/australian-researchers-identify-new-subtype-of-depression-linked-to-body-clock-disruptions">Continue reading...</a>